diff --git a/antlr-complete/pom.xml b/antlr-complete/pom.xml
index f3531d58f..f672de5a0 100644
--- a/antlr-complete/pom.xml
+++ b/antlr-complete/pom.xml
@@ -17,7 +17,7 @@
     <parent>
         <groupId>org.antlr</groupId>
         <artifactId>antlr-master</artifactId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>3.5.1</version>
     </parent>
 
     <url>http://antlr.org/</url>
diff --git a/antlr3-maven-archetype/pom.xml b/antlr3-maven-archetype/pom.xml
index a1b5e624e..3f4aaed74 100644
--- a/antlr3-maven-archetype/pom.xml
+++ b/antlr3-maven-archetype/pom.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<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/xsd/maven-4.0.0.xsd">
 
     
     <modelVersion>4.0.0</modelVersion>
@@ -20,7 +19,7 @@
     <parent>
         <groupId>org.antlr</groupId>
         <artifactId>antlr-master</artifactId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>3.5.1</version>
     </parent>
 
   <build>
diff --git a/antlr3-maven-plugin/pom.xml b/antlr3-maven-plugin/pom.xml
index be3150822..4f14953ee 100644
--- a/antlr3-maven-plugin/pom.xml
+++ b/antlr3-maven-plugin/pom.xml
@@ -33,8 +33,7 @@
 
 
 
-<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">
 
     <!-- Maven model we are inheriting from
       -->
@@ -63,7 +62,7 @@
     <parent>
         <groupId>org.antlr</groupId>
         <artifactId>antlr-master</artifactId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>3.5.1</version>
     </parent>
 
     <name>ANTLR 3 Maven plugin</name>
diff --git a/gunit-maven-plugin/pom.xml b/gunit-maven-plugin/pom.xml
index 2e133a9bf..7c36b917a 100644
--- a/gunit-maven-plugin/pom.xml
+++ b/gunit-maven-plugin/pom.xml
@@ -31,8 +31,7 @@
 
   -->
 
-<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>
 
@@ -57,7 +56,7 @@
     <parent>
         <groupId>org.antlr</groupId>
         <artifactId>antlr-master</artifactId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>3.5.1</version>
     </parent>
 
     <properties>
diff --git a/gunit/pom.xml b/gunit/pom.xml
index c893cbfe3..f000afdef 100644
--- a/gunit/pom.xml
+++ b/gunit/pom.xml
@@ -17,7 +17,7 @@
     <parent>
         <groupId>org.antlr</groupId>
         <artifactId>antlr-master</artifactId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>3.5.1</version>
     </parent>
 
     <url>http://www.antlr.org/wiki/display/ANTLR3/gUnit+-+Grammar+Unit+Testing</url>
@@ -65,7 +65,7 @@
                 <groupId>org.antlr</groupId>
                 <artifactId>antlr3-maven-plugin</artifactId>
                 <version>${project.version}</version>
-                <configuration></configuration>
+                <configuration />
                 <executions>
                     <execution>
                         <goals>
diff --git a/pom.xml b/pom.xml
index b6bebfb04..4707d710d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
     <groupId>org.antlr</groupId>
     <artifactId>antlr-master</artifactId>
     <packaging>pom</packaging>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>3.5.1</version>
     <name>ANTLR 3 Master build control POM</name>
     <description>Master build POM for ANTLR 3</description>
     <url>http://antlr.org</url>
@@ -84,7 +84,8 @@
         <url>https://github.com/antlr/antlr3/tree/master</url>
         <connection>scm:git:git://github.com/antlr/antlr3.git</connection>
         <developerConnection>scm:git:git@github.com:antlr/antlr3.git</developerConnection>
-    </scm>
+      <tag>3.5.1</tag>
+  </scm>
   <!--
 
     Tell Maven which other artifacts we need in order to
diff --git a/runtime/Java/pom.xml b/runtime/Java/pom.xml
index 6296cb8bc..395dc53d6 100644
--- a/runtime/Java/pom.xml
+++ b/runtime/Java/pom.xml
@@ -15,7 +15,7 @@
   <parent>
       <groupId>org.antlr</groupId>
       <artifactId>antlr-master</artifactId>
-      <version>3.5.1-SNAPSHOT</version>
+      <version>3.5.1</version>
       <relativePath>../..</relativePath>
   </parent>
   
diff --git a/tool/pom.xml b/tool/pom.xml
index dd825e3a1..e140b1c8a 100644
--- a/tool/pom.xml
+++ b/tool/pom.xml
@@ -16,7 +16,7 @@
     <parent>
         <groupId>org.antlr</groupId>
         <artifactId>antlr-master</artifactId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>3.5.1</version>
     </parent>
 
     <dependencies>