diff --git a/circus-train-api/pom.xml b/circus-train-api/pom.xml
index 12e57fac..dc905fba 100644
--- a/circus-train-api/pom.xml
+++ b/circus-train-api/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-api</artifactId>
diff --git a/circus-train-avro/pom.xml b/circus-train-avro/pom.xml
index 40a4365a..feb8afa0 100644
--- a/circus-train-avro/pom.xml
+++ b/circus-train-avro/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-avro</artifactId>
diff --git a/circus-train-aws-sns/pom.xml b/circus-train-aws-sns/pom.xml
index a9146050..1626a205 100644
--- a/circus-train-aws-sns/pom.xml
+++ b/circus-train-aws-sns/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <properties>
diff --git a/circus-train-aws/pom.xml b/circus-train-aws/pom.xml
index 858dbf5e..6396211b 100644
--- a/circus-train-aws/pom.xml
+++ b/circus-train-aws/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-aws</artifactId>
diff --git a/circus-train-common-test/pom.xml b/circus-train-common-test/pom.xml
index e9e55181..3205a8ae 100644
--- a/circus-train-common-test/pom.xml
+++ b/circus-train-common-test/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-common-test</artifactId>
diff --git a/circus-train-comparator/pom.xml b/circus-train-comparator/pom.xml
index f6088e24..84e2e57b 100644
--- a/circus-train-comparator/pom.xml
+++ b/circus-train-comparator/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-comparator</artifactId>
diff --git a/circus-train-core/pom.xml b/circus-train-core/pom.xml
index b5c36842..e13c9c4a 100644
--- a/circus-train-core/pom.xml
+++ b/circus-train-core/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-core</artifactId>
diff --git a/circus-train-distcp-copier/pom.xml b/circus-train-distcp-copier/pom.xml
index e22fc6c2..281fdb17 100644
--- a/circus-train-distcp-copier/pom.xml
+++ b/circus-train-distcp-copier/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-distcp-copier</artifactId>
diff --git a/circus-train-gcp/pom.xml b/circus-train-gcp/pom.xml
index d718e4bd..6bb0bb4b 100644
--- a/circus-train-gcp/pom.xml
+++ b/circus-train-gcp/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-gcp</artifactId>
diff --git a/circus-train-hive-view/pom.xml b/circus-train-hive-view/pom.xml
index a6a43c60..a30f89c4 100644
--- a/circus-train-hive-view/pom.xml
+++ b/circus-train-hive-view/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-hive-view</artifactId>
diff --git a/circus-train-hive/pom.xml b/circus-train-hive/pom.xml
index 11ef150f..ffef46ad 100644
--- a/circus-train-hive/pom.xml
+++ b/circus-train-hive/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-hive</artifactId>
diff --git a/circus-train-housekeeping/pom.xml b/circus-train-housekeeping/pom.xml
index 96ac8125..8ecfa5a2 100644
--- a/circus-train-housekeeping/pom.xml
+++ b/circus-train-housekeeping/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-housekeeping</artifactId>
diff --git a/circus-train-integration-tests/pom.xml b/circus-train-integration-tests/pom.xml
index c7475cc8..679e4eda 100644
--- a/circus-train-integration-tests/pom.xml
+++ b/circus-train-integration-tests/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-integration-tests</artifactId>
diff --git a/circus-train-metrics/pom.xml b/circus-train-metrics/pom.xml
index e15d2fcf..b224a5c8 100644
--- a/circus-train-metrics/pom.xml
+++ b/circus-train-metrics/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-metrics</artifactId>
diff --git a/circus-train-package/pom.xml b/circus-train-package/pom.xml
index 217b7f2d..0bbf72e0 100644
--- a/circus-train-package/pom.xml
+++ b/circus-train-package/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train</artifactId>
diff --git a/circus-train-s3-mapreduce-cp-copier/pom.xml b/circus-train-s3-mapreduce-cp-copier/pom.xml
index 91ff1bd5..10870476 100644
--- a/circus-train-s3-mapreduce-cp-copier/pom.xml
+++ b/circus-train-s3-mapreduce-cp-copier/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-s3-mapreduce-cp-copier</artifactId>
diff --git a/circus-train-s3-mapreduce-cp/pom.xml b/circus-train-s3-mapreduce-cp/pom.xml
index 14be6225..1ca7b8e4 100644
--- a/circus-train-s3-mapreduce-cp/pom.xml
+++ b/circus-train-s3-mapreduce-cp/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-s3-mapreduce-cp</artifactId>
diff --git a/circus-train-s3-s3-copier/pom.xml b/circus-train-s3-s3-copier/pom.xml
index 0af4a1c3..78f7d0f0 100644
--- a/circus-train-s3-s3-copier/pom.xml
+++ b/circus-train-s3-s3-copier/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-s3-s3-copier</artifactId>
diff --git a/circus-train-tool-parent/circus-train-comparison-tool/pom.xml b/circus-train-tool-parent/circus-train-comparison-tool/pom.xml
index 5c9a7abb..f68d93db 100644
--- a/circus-train-tool-parent/circus-train-comparison-tool/pom.xml
+++ b/circus-train-tool-parent/circus-train-comparison-tool/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-tool-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-comparison-tool</artifactId>
diff --git a/circus-train-tool-parent/circus-train-filter-tool/pom.xml b/circus-train-tool-parent/circus-train-filter-tool/pom.xml
index b756fc0b..9aec96e3 100644
--- a/circus-train-tool-parent/circus-train-filter-tool/pom.xml
+++ b/circus-train-tool-parent/circus-train-filter-tool/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-tool-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-filter-tool</artifactId>
diff --git a/circus-train-tool-parent/circus-train-tool-core/pom.xml b/circus-train-tool-parent/circus-train-tool-core/pom.xml
index be62db4e..9fcca2d5 100644
--- a/circus-train-tool-parent/circus-train-tool-core/pom.xml
+++ b/circus-train-tool-parent/circus-train-tool-core/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-tool-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-tool-core</artifactId>
diff --git a/circus-train-tool-parent/circus-train-tool/pom.xml b/circus-train-tool-parent/circus-train-tool/pom.xml
index 778d6800..ac69099b 100644
--- a/circus-train-tool-parent/circus-train-tool/pom.xml
+++ b/circus-train-tool-parent/circus-train-tool/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-tool-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-tool</artifactId>
diff --git a/circus-train-tool-parent/pom.xml b/circus-train-tool-parent/pom.xml
index 2d163805..cb47c0c2 100644
--- a/circus-train-tool-parent/pom.xml
+++ b/circus-train-tool-parent/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.hotels</groupId>
     <artifactId>circus-train-parent</artifactId>
-    <version>16.3.1-SNAPSHOT</version>
+    <version>16.3.1</version>
   </parent>
 
   <artifactId>circus-train-tool-parent</artifactId>
diff --git a/pom.xml b/pom.xml
index eed53d86..df51cc37 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 
   <artifactId>circus-train-parent</artifactId>
   <description>circus-train replicates data and hive metadata between various clusters</description>
-  <version>16.3.1-SNAPSHOT</version>
+  <version>16.3.1</version>
   <packaging>pom</packaging>
   <name>Circus Train Parent</name>
   <inceptionYear>2016</inceptionYear>
@@ -18,7 +18,7 @@
     <connection>scm:git:https://${GIT_USERNAME}:${GIT_PASSWORD}@github.com/HotelsDotCom/circus-train.git</connection>
     <developerConnection>scm:git:https://${GIT_USERNAME}:${GIT_PASSWORD}@github.com/HotelsDotCom/circus-train.git</developerConnection>
     <url>https://github.com/HotelsDotCom/circus-train</url>
-    <tag>HEAD</tag>
+    <tag>circus-train-parent-16.3.1</tag>
   </scm>
 
   <modules>