diff --git a/bindings/pom.xml b/bindings/pom.xml
index fcf2f23bdd..94bd90b0cf 100644
--- a/bindings/pom.xml
+++ b/bindings/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-bindings</artifactId>
     <packaging>pom</packaging>
diff --git a/bindings/register/pom.xml b/bindings/register/pom.xml
index dcfaa6e9cb..de186bb2a3 100644
--- a/bindings/register/pom.xml
+++ b/bindings/register/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-bindings</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-binding-register</artifactId>
diff --git a/coding/kvp/pom.xml b/coding/kvp/pom.xml
index a8851a70ca..b967ef4926 100644
--- a/coding/kvp/pom.xml
+++ b/coding/kvp/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-coding</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-coding-kvp</artifactId>
diff --git a/coding/netcdf/api/pom.xml b/coding/netcdf/api/pom.xml
index ed2e3970f1..b4731ced8c 100644
--- a/coding/netcdf/api/pom.xml
+++ b/coding/netcdf/api/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-netcdf</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-api-netcdf</artifactId>
diff --git a/coding/netcdf/coding/pom.xml b/coding/netcdf/coding/pom.xml
index 2ea5786d15..5de972b924 100644
--- a/coding/netcdf/coding/pom.xml
+++ b/coding/netcdf/coding/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-netcdf</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-coding-netcdf</artifactId>
diff --git a/coding/netcdf/oceansites/pom.xml b/coding/netcdf/oceansites/pom.xml
index 91ca030941..1b874653da 100644
--- a/coding/netcdf/oceansites/pom.xml
+++ b/coding/netcdf/oceansites/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-netcdf</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-coding-oceansites</artifactId>
diff --git a/coding/netcdf/pom.xml b/coding/netcdf/pom.xml
index 553bc9a453..44b22403d5 100644
--- a/coding/netcdf/pom.xml
+++ b/coding/netcdf/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-coding</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-netcdf</artifactId>
diff --git a/coding/pom.xml b/coding/pom.xml
index 4680f736db..32c79119d0 100644
--- a/coding/pom.xml
+++ b/coding/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-coding</artifactId>
     <packaging>pom</packaging>
diff --git a/coding/profile/pom.xml b/coding/profile/pom.xml
index b28b00b459..4d95c1384f 100644
--- a/coding/profile/pom.xml
+++ b/coding/profile/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-coding</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-profile-coding</artifactId>
diff --git a/converter/eprtr/pom.xml b/converter/eprtr/pom.xml
index 234e6d1978..494c565d60 100644
--- a/converter/eprtr/pom.xml
+++ b/converter/eprtr/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-          <version>5.1.1-SNAPSHOT</version>
+          <version>5.2.0</version>
     </parent>
     <artifactId>sos-eprtr</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/identifier-modifier/abstract-identifier/pom.xml b/converter/identifier-modifier/abstract-identifier/pom.xml
index ef9f8ae99b..dd5257d626 100644
--- a/converter/identifier-modifier/abstract-identifier/pom.xml
+++ b/converter/identifier-modifier/abstract-identifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-identifier-modifier</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-abstract-identifier</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/identifier-modifier/ereporting-identifier/pom.xml b/converter/identifier-modifier/ereporting-identifier/pom.xml
index 9c923a4c52..92feb3fd91 100644
--- a/converter/identifier-modifier/ereporting-identifier/pom.xml
+++ b/converter/identifier-modifier/ereporting-identifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-identifier-modifier</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-ereporting-identifier</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/identifier-modifier/flexible-identifier/pom.xml b/converter/identifier-modifier/flexible-identifier/pom.xml
index 80380d5d05..647d51cebf 100644
--- a/converter/identifier-modifier/flexible-identifier/pom.xml
+++ b/converter/identifier-modifier/flexible-identifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-identifier-modifier</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-flexible-identifier</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/identifier-modifier/pom.xml b/converter/identifier-modifier/pom.xml
index a61d50ebef..e6420118d5 100644
--- a/converter/identifier-modifier/pom.xml
+++ b/converter/identifier-modifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-         <version>5.1.1-SNAPSHOT</version>
+         <version>5.2.0</version>
     </parent>
     <artifactId>sos-identifier-modifier</artifactId>
     <packaging>pom</packaging>
diff --git a/converter/identifier-modifier/prefixed-identifier/pom.xml b/converter/identifier-modifier/prefixed-identifier/pom.xml
index 408d2b2cd4..f283dc7ad5 100644
--- a/converter/identifier-modifier/prefixed-identifier/pom.xml
+++ b/converter/identifier-modifier/prefixed-identifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-identifier-modifier</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-prefixed-identifier</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/observation/pom.xml b/converter/observation/pom.xml
index 8b4e1c76f6..a9fd6cc89d 100644
--- a/converter/observation/pom.xml
+++ b/converter/observation/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-observation-converter</artifactId>
     <name>52°North SOS - Observation Converter</name>
diff --git a/converter/pom.xml b/converter/pom.xml
index 6fab175abf..d0dd04023f 100644
--- a/converter/pom.xml
+++ b/converter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-converter</artifactId>
     <packaging>pom</packaging>
diff --git a/converter/procedure-description/pom.xml b/converter/procedure-description/pom.xml
index 97acc595e1..21abd52a6a 100644
--- a/converter/procedure-description/pom.xml
+++ b/converter/procedure-description/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-procedure-description-converter</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/split-and-merge/pom.xml b/converter/split-and-merge/pom.xml
index b1cecec19f..829a19cc23 100644
--- a/converter/split-and-merge/pom.xml
+++ b/converter/split-and-merge/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-          <version>5.1.1-SNAPSHOT</version>
+          <version>5.2.0</version>
     </parent>
     <artifactId>sos-split-and-merge</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/transformation/coordinate/pom.xml b/converter/transformation/coordinate/pom.xml
index 90f7e7bd77..bcbbfa9e20 100644
--- a/converter/transformation/coordinate/pom.xml
+++ b/converter/transformation/coordinate/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-transformation</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-request-response-coordinate-transformer</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/transformation/pom.xml b/converter/transformation/pom.xml
index 40bc40da6d..51f062dec0 100644
--- a/converter/transformation/pom.xml
+++ b/converter/transformation/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-transformation</artifactId>
     <packaging>pom</packaging>
diff --git a/core/api/pom.xml b/core/api/pom.xml
index b4a4db5930..c66ac3ac08 100644
--- a/core/api/pom.xml
+++ b/core/api/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-core</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-api</artifactId>
diff --git a/core/cache/pom.xml b/core/cache/pom.xml
index dc1d0d874f..90a2faa2c6 100644
--- a/core/cache/pom.xml
+++ b/core/cache/pom.xml
@@ -4,7 +4,7 @@
     <parent>
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         <artifactId>sos-core</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
      <artifactId>sos-cache</artifactId>
     <name>52°North SOS - Cache</name>
diff --git a/core/pom.xml b/core/pom.xml
index 8f9ff67437..038c878af5 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-core</artifactId>
     <packaging>pom</packaging>
diff --git a/core/test/pom.xml b/core/test/pom.xml
index 2a69402a7a..ad705eaaa2 100644
--- a/core/test/pom.xml
+++ b/core/test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
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         <artifactId>sos-core</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-test</artifactId>
     <name>52°North SOS - Test Module</name>
diff --git a/extensions/inspire/code/pom.xml b/extensions/inspire/code/pom.xml
index 5e1426b83c..d095bd345d 100644
--- a/extensions/inspire/code/pom.xml
+++ b/extensions/inspire/code/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-inspire</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-inspire-code</artifactId>
diff --git a/extensions/inspire/pom.xml b/extensions/inspire/pom.xml
index 8f96698f18..076e2982f0 100644
--- a/extensions/inspire/pom.xml
+++ b/extensions/inspire/pom.xml
@@ -3,11 +3,11 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-extensions</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-inspire</artifactId>
-     <version>5.1.1-SNAPSHOT</version>
+     <version>5.2.0</version>
     <packaging>pom</packaging>
     <name>52°North SOS - SOS 2.0 Inspire extension</name>
     <description>52°North Sensor Observation Service Inspire extension module</description>
diff --git a/extensions/pom.xml b/extensions/pom.xml
index eb81f82dc2..b8bacba903 100644
--- a/extensions/pom.xml
+++ b/extensions/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-extensions</artifactId>
     <packaging>pom</packaging>
diff --git a/handler/pom.xml b/handler/pom.xml
index 59d3b51af1..79746b628b 100644
--- a/handler/pom.xml
+++ b/handler/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
      <artifactId>sos-handler</artifactId>
     <packaging>jar</packaging>
diff --git a/hibernate/c3p0/pom.xml b/hibernate/c3p0/pom.xml
index aa64755a4f..6d0261b866 100644
--- a/hibernate/c3p0/pom.xml
+++ b/hibernate/c3p0/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-geodb-c3p0</artifactId>
diff --git a/hibernate/common/pom.xml b/hibernate/common/pom.xml
index 50a97f3d8d..ba1a1f59fa 100644
--- a/hibernate/common/pom.xml
+++ b/hibernate/common/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-common</artifactId>
diff --git a/hibernate/datasource/common/pom.xml b/hibernate/datasource/common/pom.xml
index 92b67a1b20..f2cb6626c7 100644
--- a/hibernate/datasource/common/pom.xml
+++ b/hibernate/datasource/common/pom.xml
@@ -3,7 +3,7 @@
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         <artifactId>sos-hibernate-datasource</artifactId>
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+        <version>5.2.0</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-common</artifactId>
diff --git a/hibernate/datasource/h2/pom.xml b/hibernate/datasource/h2/pom.xml
index 102ec30e75..cce5fe96fa 100644
--- a/hibernate/datasource/h2/pom.xml
+++ b/hibernate/datasource/h2/pom.xml
@@ -3,7 +3,7 @@
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         <artifactId>sos-hibernate-datasource</artifactId>
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+        <version>5.2.0</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-h2</artifactId>
diff --git a/hibernate/datasource/mysql/pom.xml b/hibernate/datasource/mysql/pom.xml
index 5eec04c142..e50b9e79cf 100644
--- a/hibernate/datasource/mysql/pom.xml
+++ b/hibernate/datasource/mysql/pom.xml
@@ -3,7 +3,7 @@
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         <artifactId>sos-hibernate-datasource</artifactId>
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+        <version>5.2.0</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-mysql</artifactId>
diff --git a/hibernate/datasource/oracle/pom.xml b/hibernate/datasource/oracle/pom.xml
index cd096bdd10..2a3cfca90f 100644
--- a/hibernate/datasource/oracle/pom.xml
+++ b/hibernate/datasource/oracle/pom.xml
@@ -3,7 +3,7 @@
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         <artifactId>sos-hibernate-datasource</artifactId>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-oracle</artifactId>
diff --git a/hibernate/datasource/pom.xml b/hibernate/datasource/pom.xml
index 2136d98e3c..69d8536dda 100644
--- a/hibernate/datasource/pom.xml
+++ b/hibernate/datasource/pom.xml
@@ -3,7 +3,7 @@
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+        <version>5.2.0</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource</artifactId>
diff --git a/hibernate/datasource/postgres/pom.xml b/hibernate/datasource/postgres/pom.xml
index 89c5e1fb86..8f5910541d 100644
--- a/hibernate/datasource/postgres/pom.xml
+++ b/hibernate/datasource/postgres/pom.xml
@@ -3,7 +3,7 @@
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+        <version>5.2.0</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-postgres</artifactId>
diff --git a/hibernate/datasource/sqlserver/pom.xml b/hibernate/datasource/sqlserver/pom.xml
index bfb9c9f4a7..3930091cea 100644
--- a/hibernate/datasource/sqlserver/pom.xml
+++ b/hibernate/datasource/sqlserver/pom.xml
@@ -3,7 +3,7 @@
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+        <version>5.2.0</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-sqlserver</artifactId>
diff --git a/hibernate/feature/pom.xml b/hibernate/feature/pom.xml
index d0baf889e2..d403333073 100644
--- a/hibernate/feature/pom.xml
+++ b/hibernate/feature/pom.xml
@@ -3,7 +3,7 @@
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+        <version>5.2.0</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-feature</artifactId>
diff --git a/hibernate/h2/pom.xml b/hibernate/h2/pom.xml
index a05a3c2ac0..c1056a6267 100644
--- a/hibernate/h2/pom.xml
+++ b/hibernate/h2/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-hibernate-h2</artifactId>
     <name>52°North SOS - Hibernate H2</name>
diff --git a/hibernate/handler/pom.xml b/hibernate/handler/pom.xml
index 8d5e33ac5b..8eecc5bad1 100644
--- a/hibernate/handler/pom.xml
+++ b/hibernate/handler/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
       <artifactId>sos-hibernate-handler</artifactId>
diff --git a/hibernate/pom.xml b/hibernate/pom.xml
index 5e31cf828e..b389b3f5a4 100644
--- a/hibernate/pom.xml
+++ b/hibernate/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-hibernate</artifactId>
     <packaging>pom</packaging>
diff --git a/hibernate/session-factory/pom.xml b/hibernate/session-factory/pom.xml
index 11c2c7a26b..db2ea4cb09 100644
--- a/hibernate/session-factory/pom.xml
+++ b/hibernate/session-factory/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-session-factory</artifactId>
diff --git a/hibernate/utils/pom.xml b/hibernate/utils/pom.xml
index 89bb8e8665..2f034bfe14 100644
--- a/hibernate/utils/pom.xml
+++ b/hibernate/utils/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-hibernate-utils</artifactId>
     <name>52°North SOS - Hibernate Utils</name>
diff --git a/operations/aqd-v10/pom.xml b/operations/aqd-v10/pom.xml
index 90cf1d579e..8edbb7cf05 100644
--- a/operations/aqd-v10/pom.xml
+++ b/operations/aqd-v10/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-aqd-v10</artifactId>
diff --git a/operations/core-v100/pom.xml b/operations/core-v100/pom.xml
index d4cc1e810b..8d492939fa 100644
--- a/operations/core-v100/pom.xml
+++ b/operations/core-v100/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
      <artifactId>sos-core-v100</artifactId>
diff --git a/operations/core-v20/pom.xml b/operations/core-v20/pom.xml
index 3547d1caa7..0b9fce9f09 100644
--- a/operations/core-v20/pom.xml
+++ b/operations/core-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
      <artifactId>sos-core-v20</artifactId>
diff --git a/operations/enhanced-v20/pom.xml b/operations/enhanced-v20/pom.xml
index 8fdd6d9ef3..e7e7c5bc3a 100644
--- a/operations/enhanced-v20/pom.xml
+++ b/operations/enhanced-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-enhanced-v20</artifactId>
diff --git a/operations/extensions-v20/pom.xml b/operations/extensions-v20/pom.xml
index 7454a3f291..2a26912cf6 100644
--- a/operations/extensions-v20/pom.xml
+++ b/operations/extensions-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-extensions-v20</artifactId>
diff --git a/operations/pom.xml b/operations/pom.xml
index 6400bffa3d..498f4e0ef6 100644
--- a/operations/pom.xml
+++ b/operations/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-operations</artifactId>
     <packaging>pom</packaging>
diff --git a/operations/resultHandling-v20/pom.xml b/operations/resultHandling-v20/pom.xml
index 62b5349a47..19fc740015 100644
--- a/operations/resultHandling-v20/pom.xml
+++ b/operations/resultHandling-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-resultHandling-v20</artifactId>
diff --git a/operations/transactional-v20/pom.xml b/operations/transactional-v20/pom.xml
index c2504cf503..b0f86c1a5c 100644
--- a/operations/transactional-v20/pom.xml
+++ b/operations/transactional-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-transactional-v20</artifactId>
diff --git a/pom.xml b/pom.xml
index 7dc295b234..3ed20c5200 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
     </parent>
     <groupId>org.n52.sensorweb-server.sos</groupId>
     <artifactId>sos-parent</artifactId>
-    <version>5.1.1-SNAPSHOT</version>
+    <version>5.2.0</version>
     <name>52°North Sensor Observation Service</name>
     <description>52°North Sensor Observation Service - Parent POM for defining dependency versions</description>
     <url>https://github.com/52North/SOS</url>
@@ -20,7 +20,7 @@
         <url>https://github.com/52North/SOS</url>
         <connection>scm:git:https://github.com/52North/SOS.git</connection>
         <developerConnection>scm:git:https://github.com/52North/SOS.git</developerConnection>
-        <tag>HEAD</tag>
+        <tag>v5.2.0</tag>
     </scm>
 
     <issueManagement>
diff --git a/spring/admin-controller/pom.xml b/spring/admin-controller/pom.xml
index 0a5690c20f..0bdf3a87e0 100644
--- a/spring/admin-controller/pom.xml
+++ b/spring/admin-controller/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-admin-controller</artifactId>
     <name>52°North SOS - Web Admin Controller</name>
diff --git a/spring/client-controller/pom.xml b/spring/client-controller/pom.xml
index 7be3ae379c..079ab77f26 100644
--- a/spring/client-controller/pom.xml
+++ b/spring/client-controller/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-client-controller</artifactId>
     <name>52°North SOS - Web Client Controller</name>
diff --git a/spring/common-controller/pom.xml b/spring/common-controller/pom.xml
index fed565de29..eccae63110 100644
--- a/spring/common-controller/pom.xml
+++ b/spring/common-controller/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-common-controller</artifactId>
     <name>52°North SOS - Web Common Controller</name>
diff --git a/spring/install-controller/pom.xml b/spring/install-controller/pom.xml
index 461ae245cc..f9164458f5 100644
--- a/spring/install-controller/pom.xml
+++ b/spring/install-controller/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-install-controller</artifactId>
     <name>52°North SOS - Web Install Controller</name>
diff --git a/spring/pom.xml b/spring/pom.xml
index 731fba42b6..a3afb5fd5e 100644
--- a/spring/pom.xml
+++ b/spring/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>sos-parent</artifactId>
         <groupId>org.n52.sensorweb-server.sos</groupId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-spring</artifactId>
     <packaging>pom</packaging>
diff --git a/spring/views/pom.xml b/spring/views/pom.xml
index 0036a8d448..749f24214c 100644
--- a/spring/views/pom.xml
+++ b/spring/views/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-views</artifactId>
     <name>52°North SOS - Web Views</name>
diff --git a/statistics/pom.xml b/statistics/pom.xml
index a49ce0d74b..33283d4e0e 100644
--- a/statistics/pom.xml
+++ b/statistics/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <artifactId>sos-statistics</artifactId>
     <name>52°North SOS - OGC Statistics</name>
diff --git a/webapp/pom.xml b/webapp/pom.xml
index b562bcfab2..117ea68cbd 100644
--- a/webapp/pom.xml
+++ b/webapp/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>sos-parent</artifactId>
         <groupId>org.n52.sensorweb-server.sos</groupId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-webapp</artifactId>