diff --git a/all/pom.xml b/all/pom.xml
index f05a853e8a..c7edf4d255 100644
--- a/all/pom.xml
+++ b/all/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-root</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/cache/pom.xml b/cache/pom.xml
index cecd144e6b..c53e1b83cf 100644
--- a/cache/pom.xml
+++ b/cache/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-root</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/config/core/pom.xml b/config/core/pom.xml
index 6f56da6e72..85e27cb440 100644
--- a/config/core/pom.xml
+++ b/config/core/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-config</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -58,4 +58,8 @@
         </dependency>
     </dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/config/ogdl/pom.xml b/config/ogdl/pom.xml
index cb0270a577..8a4ef4d7de 100644
--- a/config/ogdl/pom.xml
+++ b/config/ogdl/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-config</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -103,4 +103,8 @@
         </dependency>
     </dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/config/pom.xml b/config/pom.xml
index 330df0fbcb..2008941107 100644
--- a/config/pom.xml
+++ b/config/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-root</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <artifactId>shiro-config</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index d579aa566c..c1d6bd53cb 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-root</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/crypto/cipher/pom.xml b/crypto/cipher/pom.xml
index 7fc6eb5883..8bb367a2fa 100644
--- a/crypto/cipher/pom.xml
+++ b/crypto/cipher/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-crypto</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -79,4 +79,8 @@
         </dependency>
     </dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/crypto/core/pom.xml b/crypto/core/pom.xml
index cc6c321072..5b7aceb60b 100644
--- a/crypto/core/pom.xml
+++ b/crypto/core/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-crypto</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -57,4 +57,8 @@
         </dependency>
     </dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/crypto/hash/pom.xml b/crypto/hash/pom.xml
index e1e675e38e..7494b27164 100644
--- a/crypto/hash/pom.xml
+++ b/crypto/hash/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-crypto</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -79,4 +79,8 @@
         </dependency>
     </dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/crypto/pom.xml b/crypto/pom.xml
index 3b8d296a69..ccfce6599c 100644
--- a/crypto/pom.xml
+++ b/crypto/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-root</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <artifactId>shiro-crypto</artifactId>
diff --git a/event/pom.xml b/event/pom.xml
index d2324678df..1744ea14cd 100644
--- a/event/pom.xml
+++ b/event/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-root</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/integration-tests/guice3/pom.xml b/integration-tests/guice3/pom.xml
index 1a065fc6d5..8ac5640ad9 100644
--- a/integration-tests/guice3/pom.xml
+++ b/integration-tests/guice3/pom.xml
@@ -23,7 +23,7 @@
 	<parent>
 		<groupId>org.apache.shiro.integrationtests</groupId>
 		<artifactId>shiro-integration-tests</artifactId>
-		<version>1.9.1-SNAPSHOT</version>
+		<version>1.9.1</version>
 	</parent>
 
 	<artifactId>shiro-its-guice3</artifactId>
@@ -124,4 +124,8 @@
         </dependency>
 	</dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/integration-tests/guice4/pom.xml b/integration-tests/guice4/pom.xml
index 3802742fbc..3b1a727f18 100644
--- a/integration-tests/guice4/pom.xml
+++ b/integration-tests/guice4/pom.xml
@@ -23,7 +23,7 @@
 	<parent>
 		<groupId>org.apache.shiro.integrationtests</groupId>
 		<artifactId>shiro-integration-tests</artifactId>
-		<version>1.9.1-SNAPSHOT</version>
+		<version>1.9.1</version>
 	</parent>
 
 	<artifactId>shiro-its-guice4</artifactId>
@@ -129,4 +129,8 @@
         </dependency>
 	</dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/integration-tests/pom.xml b/integration-tests/pom.xml
index 72f534f974..c7d3f4e974 100644
--- a/integration-tests/pom.xml
+++ b/integration-tests/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-root</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <groupId>org.apache.shiro.integrationtests</groupId>
diff --git a/integration-tests/support/pom.xml b/integration-tests/support/pom.xml
index f54c331f14..5e5b63cd20 100644
--- a/integration-tests/support/pom.xml
+++ b/integration-tests/support/pom.xml
@@ -23,7 +23,7 @@
 	<parent>
 		<groupId>org.apache.shiro.integrationtests</groupId>
 		<artifactId>shiro-integration-tests</artifactId>
-		<version>1.9.1-SNAPSHOT</version>
+		<version>1.9.1</version>
 	</parent>
 
 	<artifactId>shiro-its-support</artifactId>
@@ -131,4 +131,8 @@
 
 	</dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/lang/pom.xml b/lang/pom.xml
index c6f9799c23..ff1dc8f07b 100644
--- a/lang/pom.xml
+++ b/lang/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-root</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/pom.xml b/pom.xml
index c28252647a..0fbd878fed 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
     <groupId>org.apache.shiro</groupId>
     <artifactId>shiro-root</artifactId>
     <packaging>pom</packaging>
-    <version>1.9.1-SNAPSHOT</version>
+    <version>1.9.1</version>
 
     <name>Apache Shiro</name>
     <url>https://shiro.apache.org/</url>
@@ -44,7 +44,7 @@
         <connection>scm:git:https://gitbox.apache.org/repos/asf/shiro.git</connection>
         <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/shiro.git</developerConnection>
         <url>https://github.com/apache/shiro/tree/${project.scm.tag}</url>
-        <tag>master</tag>
+        <tag>shiro-root-1.9.1</tag>
     </scm>
     <issueManagement>
         <system>Jira</system>
@@ -69,7 +69,7 @@
         <shiro.previousVersion>1.7.1</shiro.previousVersion>
         <!-- Replaced by the build number plugin at build time: -->
         <buildNumber>${user.name}-${maven.build.timestamp}</buildNumber>
-        <project.build.outputTimestamp>2022-03-22T23:08:15Z</project.build.outputTimestamp>
+        <project.build.outputTimestamp>2022-06-23T18:51:39Z</project.build.outputTimestamp>
         <jacoco.skip>true</jacoco.skip>
         <nexus.deploy.skip>false</nexus.deploy.skip>
 
diff --git a/samples/aspectj/pom.xml b/samples/aspectj/pom.xml
index ebda72c0e1..996654d90b 100644
--- a/samples/aspectj/pom.xml
+++ b/samples/aspectj/pom.xml
@@ -23,7 +23,7 @@
 	<parent>
         <groupId>org.apache.shiro.samples</groupId>
         <artifactId>shiro-samples</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
         </parent>
 
 	<modelVersion>4.0.0</modelVersion>
@@ -90,4 +90,8 @@
 		</dependency>
 	</dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/samples/guice/pom.xml b/samples/guice/pom.xml
index d3722ee08e..b77a65ee6a 100644
--- a/samples/guice/pom.xml
+++ b/samples/guice/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
         <groupId>org.apache.shiro.samples</groupId>
         <artifactId>shiro-samples</artifactId>
-		<version>1.9.1-SNAPSHOT</version>
+		<version>1.9.1</version>
 	</parent>
 
 	<modelVersion>4.0.0</modelVersion>
@@ -112,4 +112,8 @@
 		</dependency>
 	</dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/samples/jaxrs/pom.xml b/samples/jaxrs/pom.xml
index 3d619bd044..31ff0b53db 100644
--- a/samples/jaxrs/pom.xml
+++ b/samples/jaxrs/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.shiro.samples</groupId>
         <artifactId>shiro-samples</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -210,4 +210,8 @@
 
     </profiles>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/samples/pom.xml b/samples/pom.xml
index 0d13dd366c..4fae3197af 100644
--- a/samples/pom.xml
+++ b/samples/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-root</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/samples/quickstart-guice/pom.xml b/samples/quickstart-guice/pom.xml
index 6750c86051..b509895f3d 100644
--- a/samples/quickstart-guice/pom.xml
+++ b/samples/quickstart-guice/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shiro.samples</groupId>
         <artifactId>shiro-samples</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -79,4 +79,8 @@
         </dependency>
     </dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/samples/quickstart/pom.xml b/samples/quickstart/pom.xml
index b07edc42b9..7e9f40dafe 100644
--- a/samples/quickstart/pom.xml
+++ b/samples/quickstart/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.shiro.samples</groupId>
         <artifactId>shiro-samples</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -77,4 +77,8 @@
         </dependency>
     </dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/samples/servlet-plugin/pom.xml b/samples/servlet-plugin/pom.xml
index 4f28fb151f..b136a3f318 100644
--- a/samples/servlet-plugin/pom.xml
+++ b/samples/servlet-plugin/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.shiro.samples</groupId>
         <artifactId>shiro-samples</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -140,4 +140,8 @@
         </dependency>
     </dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/samples/spring-boot-web/pom.xml b/samples/spring-boot-web/pom.xml
index a89dd11b95..7a09558a38 100644
--- a/samples/spring-boot-web/pom.xml
+++ b/samples/spring-boot-web/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.apache.shiro.samples</groupId>
         <artifactId>shiro-samples</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <artifactId>samples-spring-boot-web</artifactId>
@@ -86,4 +86,8 @@
         </plugins>
     </build>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/samples/spring-boot/pom.xml b/samples/spring-boot/pom.xml
index ec4d4dff60..707f785afd 100644
--- a/samples/spring-boot/pom.xml
+++ b/samples/spring-boot/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.apache.shiro.samples</groupId>
         <artifactId>shiro-samples</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <artifactId>samples-spring-boot</artifactId>
@@ -78,4 +78,8 @@
         </plugins>
     </build>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/samples/spring-hibernate/pom.xml b/samples/spring-hibernate/pom.xml
index 0f967225f9..aa9aa63e32 100644
--- a/samples/spring-hibernate/pom.xml
+++ b/samples/spring-hibernate/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.shiro.samples</groupId>
         <artifactId>shiro-samples</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -143,4 +143,8 @@
         </dependency>
     </dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/samples/spring-mvc/pom.xml b/samples/spring-mvc/pom.xml
index af7fe19876..796fce4c73 100644
--- a/samples/spring-mvc/pom.xml
+++ b/samples/spring-mvc/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.shiro.samples</groupId>
         <artifactId>shiro-samples</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -129,4 +129,8 @@
             <scope>runtime</scope>
         </dependency>
     </dependencies>
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/samples/spring/pom.xml b/samples/spring/pom.xml
index 72c71bf474..9ad2a04ec0 100644
--- a/samples/spring/pom.xml
+++ b/samples/spring/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.shiro.samples</groupId>
         <artifactId>shiro-samples</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -77,4 +77,8 @@
         </plugins>
     </build>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/samples/web/pom.xml b/samples/web/pom.xml
index 54354cf019..48b31ab7a0 100644
--- a/samples/web/pom.xml
+++ b/samples/web/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.shiro.samples</groupId>
         <artifactId>shiro-samples</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -133,4 +133,8 @@
         </dependency>
     </dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/support/aspectj/pom.xml b/support/aspectj/pom.xml
index b3ae3b6dcf..5dfe711872 100644
--- a/support/aspectj/pom.xml
+++ b/support/aspectj/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-support</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -101,4 +101,8 @@
         </plugins>
     </build>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/support/cas/pom.xml b/support/cas/pom.xml
index 7a967890b6..6b2fd7bbeb 100644
--- a/support/cas/pom.xml
+++ b/support/cas/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-support</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -85,4 +85,8 @@
         </plugins>
     </build>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/support/ehcache/pom.xml b/support/ehcache/pom.xml
index e7aa0d8cc7..bada463c84 100644
--- a/support/ehcache/pom.xml
+++ b/support/ehcache/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-support</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -77,4 +77,8 @@
         </plugins>
     </build>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/support/features/pom.xml b/support/features/pom.xml
index c03ab3c442..9371e97ca3 100644
--- a/support/features/pom.xml
+++ b/support/features/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-support</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -138,4 +138,8 @@
         </plugins>
     </build>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/support/guice/pom.xml b/support/guice/pom.xml
index c116bf4408..c1ad87916b 100644
--- a/support/guice/pom.xml
+++ b/support/guice/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-support</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -120,4 +120,8 @@
             </plugin>
         </plugins>
     </build>
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/support/hazelcast/pom.xml b/support/hazelcast/pom.xml
index 5c5a686cdb..767ea0e184 100644
--- a/support/hazelcast/pom.xml
+++ b/support/hazelcast/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-support</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -94,4 +94,8 @@
         </profile>
     </profiles>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/support/jaxrs/pom.xml b/support/jaxrs/pom.xml
index b506365b20..70d5ce02b6 100644
--- a/support/jaxrs/pom.xml
+++ b/support/jaxrs/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-support</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -77,4 +77,8 @@
         </plugins>
     </build>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/support/pom.xml b/support/pom.xml
index 232c2c8a51..d844f40edd 100644
--- a/support/pom.xml
+++ b/support/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-root</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/support/quartz/pom.xml b/support/quartz/pom.xml
index 2edda6bd51..b29e6fda25 100644
--- a/support/quartz/pom.xml
+++ b/support/quartz/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-support</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -77,4 +77,8 @@
         </plugins>
     </build>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/support/servlet-plugin/pom.xml b/support/servlet-plugin/pom.xml
index ca98b1c4c0..de27630ce9 100644
--- a/support/servlet-plugin/pom.xml
+++ b/support/servlet-plugin/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-support</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <artifactId>shiro-servlet-plugin</artifactId>
@@ -65,4 +65,8 @@
         </plugins>
     </build>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/support/spring-boot/pom.xml b/support/spring-boot/pom.xml
index 002923b6b8..cae9958285 100644
--- a/support/spring-boot/pom.xml
+++ b/support/spring-boot/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-support</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -49,4 +49,8 @@
         </dependencies>
     </dependencyManagement>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/support/spring-boot/spring-boot-starter/pom.xml b/support/spring-boot/spring-boot-starter/pom.xml
index 4dfa157b04..d5b5ef666e 100644
--- a/support/spring-boot/spring-boot-starter/pom.xml
+++ b/support/spring-boot/spring-boot-starter/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-spring-boot</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <artifactId>shiro-spring-boot-starter</artifactId>
@@ -112,4 +112,8 @@
             </plugin>
         </plugins>
     </build>
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/support/spring-boot/spring-boot-web-starter/pom.xml b/support/spring-boot/spring-boot-web-starter/pom.xml
index 3e25aff409..c694aee87c 100644
--- a/support/spring-boot/spring-boot-web-starter/pom.xml
+++ b/support/spring-boot/spring-boot-web-starter/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-spring-boot</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <artifactId>shiro-spring-boot-web-starter</artifactId>
@@ -73,4 +73,8 @@
 
     </dependencies>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/support/spring/pom.xml b/support/spring/pom.xml
index 2727e7c8e4..4262304723 100644
--- a/support/spring/pom.xml
+++ b/support/spring/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-support</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -109,4 +109,8 @@
         </plugins>
     </build>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/test-coverage/pom.xml b/test-coverage/pom.xml
index 8239f7be01..0409385fbe 100644
--- a/test-coverage/pom.xml
+++ b/test-coverage/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-root</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/tools/hasher/pom.xml b/tools/hasher/pom.xml
index da9eb2d717..5570316690 100644
--- a/tools/hasher/pom.xml
+++ b/tools/hasher/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro.tools</groupId>
         <artifactId>shiro-tools</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -97,4 +97,8 @@
         </plugins>
     </build>
 
+
+  <scm>
+    <tag>shiro-root-1.9.1</tag>
+  </scm>
 </project>
diff --git a/tools/pom.xml b/tools/pom.xml
index 83435c3c3e..d877ddb939 100644
--- a/tools/pom.xml
+++ b/tools/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-root</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/web/pom.xml b/web/pom.xml
index 13f7b49b78..7fde20b10d 100644
--- a/web/pom.xml
+++ b/web/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.shiro</groupId>
         <artifactId>shiro-root</artifactId>
-        <version>1.9.1-SNAPSHOT</version>
+        <version>1.9.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>