diff --git a/example-projects/ruta-ep-example-extensions/pom.xml b/example-projects/ruta-ep-example-extensions/pom.xml
index bb535a2..404aed4 100644
--- a/example-projects/ruta-ep-example-extensions/pom.xml
+++ b/example-projects/ruta-ep-example-extensions/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-ep-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../../ruta-ep-parent/pom.xml</relativePath>
   </parent>
   <properties>
diff --git a/example-projects/ruta-maven-example/pom.xml b/example-projects/ruta-maven-example/pom.xml
index f355eed..8b3f278 100644
--- a/example-projects/ruta-maven-example/pom.xml
+++ b/example-projects/ruta-maven-example/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../../ruta-parent/pom.xml</relativePath>
   </parent>
   <url>${uimaWebsiteUrl}</url>
@@ -37,7 +37,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <dependencies>
diff --git a/pom.xml b/pom.xml
index 41ef5bd..46f1a57 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>ruta-parent/pom.xml</relativePath>
   </parent>
 
@@ -53,7 +53,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <!-- dependencies used during assembly -->
@@ -262,7 +262,7 @@
                     <!-- dir="${basedir}/example-projects/ExtensionsExample/" -->
                     <!-- includes=".project" -->
                     <!-- prefix="${project.artifactId}-${project.version}/example-projects/ExtensionsExample/" 
-                        /> -->
+                         /> -->
                     <!-- </zip> -->
                     <zip destfile="${project.build.directory}/${project.artifactId}-${project.version}-source-release.zip" update="true">
                       <zipfileset dir="${basedir}/example-projects/TextRulerExample/" includes=".project" prefix="${project.artifactId}-${project.version}/example-projects/TextRulerExample/" />
@@ -273,7 +273,7 @@
                     <!-- <zipfileset dir="${basedir}/example-projects/GermanNovels/" -->
                     <!-- includes=".project" -->
                     <!-- prefix="${project.artifactId}-${project.version}/example-projects/GermanNovels/" 
-                        /> -->
+                         /> -->
                     <!-- </zip> -->
                     <zip destfile="${project.build.directory}/${project.artifactId}-${project.version}-source-release.zip" update="true">
                       <zipfileset dir="${basedir}/example-projects/Misc/" includes=".project" prefix="${project.artifactId}-${project.version}/example-projects/Misc/" />
diff --git a/ruta-basic-type/pom.xml b/ruta-basic-type/pom.xml
index f058437..b4b6514 100644
--- a/ruta-basic-type/pom.xml
+++ b/ruta-basic-type/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-parent/pom.xml</relativePath>
   </parent>
 
@@ -39,7 +39,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <dependencies>
diff --git a/ruta-core-ext/pom.xml b/ruta-core-ext/pom.xml
index 7c3412a..31085db 100644
--- a/ruta-core-ext/pom.xml
+++ b/ruta-core-ext/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-parent/pom.xml</relativePath>
   </parent>
 
@@ -41,7 +41,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <dependencies>
diff --git a/ruta-core/pom.xml b/ruta-core/pom.xml
index 36308f7..428597f 100644
--- a/ruta-core/pom.xml
+++ b/ruta-core/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-parent/pom.xml</relativePath>
   </parent>
 
@@ -41,7 +41,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <dependencies>
diff --git a/ruta-docbook/pom.xml b/ruta-docbook/pom.xml
index 5ca9d52..8ceca60 100644
--- a/ruta-docbook/pom.xml
+++ b/ruta-docbook/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-parent/pom.xml</relativePath>
   </parent>
   <name>Apache UIMA Ruta Documentation</name>
@@ -40,7 +40,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
 </project>
\ No newline at end of file
diff --git a/ruta-eclipse-feature/pom.xml b/ruta-eclipse-feature/pom.xml
index 9198286..ebf6268 100644
--- a/ruta-eclipse-feature/pom.xml
+++ b/ruta-eclipse-feature/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-parent/pom.xml</relativePath>
   </parent>
 
@@ -42,7 +42,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <properties>
diff --git a/ruta-ep-addons/pom.xml b/ruta-ep-addons/pom.xml
index de5a086..fe1ad15 100644
--- a/ruta-ep-addons/pom.xml
+++ b/ruta-ep-addons/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-ep-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-ep-parent/pom.xml</relativePath>
   </parent>
   <properties>
@@ -37,7 +37,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <dependencies>
diff --git a/ruta-ep-caseditor/pom.xml b/ruta-ep-caseditor/pom.xml
index bb5c5ea..f882149 100644
--- a/ruta-ep-caseditor/pom.xml
+++ b/ruta-ep-caseditor/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-ep-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-ep-parent/pom.xml</relativePath>
   </parent>
   <properties>
@@ -37,7 +37,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <dependencies>
diff --git a/ruta-ep-core-ext/pom.xml b/ruta-ep-core-ext/pom.xml
index faad67c..e8be38b 100644
--- a/ruta-ep-core-ext/pom.xml
+++ b/ruta-ep-core-ext/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-ep-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-ep-parent/pom.xml</relativePath>
   </parent>
   <properties>
@@ -36,7 +36,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <dependencies>
diff --git a/ruta-ep-engine/pom.xml b/ruta-ep-engine/pom.xml
index 8de8c8a..8856040 100644
--- a/ruta-ep-engine/pom.xml
+++ b/ruta-ep-engine/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-parent/pom.xml</relativePath>
   </parent>
 
@@ -45,7 +45,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <dependencies>
diff --git a/ruta-ep-ide-ui/pom.xml b/ruta-ep-ide-ui/pom.xml
index 030f70a..e7bc427 100644
--- a/ruta-ep-ide-ui/pom.xml
+++ b/ruta-ep-ide-ui/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-ep-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-ep-parent/pom.xml</relativePath>
   </parent>
 
@@ -39,7 +39,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <dependencies>
diff --git a/ruta-ep-ide/pom.xml b/ruta-ep-ide/pom.xml
index ab4f612..96f4598 100644
--- a/ruta-ep-ide/pom.xml
+++ b/ruta-ep-ide/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-ep-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-ep-parent/pom.xml</relativePath>
   </parent>
 
@@ -40,7 +40,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <dependencies>
diff --git a/ruta-ep-parent/pom.xml b/ruta-ep-parent/pom.xml
index 19cf798..1b031f1 100644
--- a/ruta-ep-parent/pom.xml
+++ b/ruta-ep-parent/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-parent/pom.xml</relativePath>
   </parent>
 
@@ -46,7 +46,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <properties>
diff --git a/ruta-ep-textruler/pom.xml b/ruta-ep-textruler/pom.xml
index d08dcf4..4911be1 100644
--- a/ruta-ep-textruler/pom.xml
+++ b/ruta-ep-textruler/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-ep-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-ep-parent/pom.xml</relativePath>
   </parent>
 
@@ -39,7 +39,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <dependencies>
diff --git a/ruta-maven-archetype/pom.xml b/ruta-maven-archetype/pom.xml
index faa966a..abefc5d 100644
--- a/ruta-maven-archetype/pom.xml
+++ b/ruta-maven-archetype/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-parent/pom.xml</relativePath>
   </parent>
   <properties>
@@ -38,7 +38,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <build>
diff --git a/ruta-maven-plugin/pom.xml b/ruta-maven-plugin/pom.xml
index 2343b92..504e53f 100644
--- a/ruta-maven-plugin/pom.xml
+++ b/ruta-maven-plugin/pom.xml
@@ -32,7 +32,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-parent/pom.xml</relativePath>
   </parent>
   <properties>
@@ -44,7 +44,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <dependencyManagement>
diff --git a/ruta-parent/pom.xml b/ruta-parent/pom.xml
index 05008e1..e6271ec 100644
--- a/ruta-parent/pom.xml
+++ b/ruta-parent/pom.xml
@@ -17,9 +17,7 @@
   specific language governing permissions and limitations
   under the License.
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
@@ -31,7 +29,7 @@
 
   <artifactId>ruta-parent</artifactId>
   <packaging>pom</packaging>
-  <version>3.1.0-SNAPSHOT</version>
+  <version>3.1.0</version>
   <name>Apache UIMA Ruta: ${project.artifactId}</name>
   <url>${uimaWebsiteUrl}</url>
   <inceptionYear>2011</inceptionYear>
@@ -46,7 +44,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <!-- The repositories and pluginRepositories section is duplicated from 
diff --git a/ruta-typesystem/pom.xml b/ruta-typesystem/pom.xml
index cd445c3..fccb572 100644
--- a/ruta-typesystem/pom.xml
+++ b/ruta-typesystem/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.uima</groupId>
     <artifactId>ruta-parent</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</version>
     <relativePath>../ruta-parent/pom.xml</relativePath>
   </parent>
 
@@ -39,7 +39,7 @@
     <connection>scm:git:https://github.com/apache/uima-ruta/</connection>
     <developerConnection>scm:git:https://github.com/apache/uima-ruta/</developerConnection>
     <url>https://github.com/apache/uima-ruta/</url>
-    <tag>HEAD</tag>
+    <tag>ruta-3.1.0</tag>
   </scm>
 
   <dependencies>