diff --git a/marytts-assembly/assembly-builder/pom.xml b/marytts-assembly/assembly-builder/pom.xml
index 4a23b75334..a5a9829c50 100644
--- a/marytts-assembly/assembly-builder/pom.xml
+++ b/marytts-assembly/assembly-builder/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 
diff --git a/marytts-assembly/assembly-runtime/pom.xml b/marytts-assembly/assembly-runtime/pom.xml
index 74fa5a55ee..780943f707 100644
--- a/marytts-assembly/assembly-runtime/pom.xml
+++ b/marytts-assembly/assembly-runtime/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 
diff --git a/marytts-assembly/pom.xml b/marytts-assembly/pom.xml
index 1c4e0c3181..6d5a52541f 100644
--- a/marytts-assembly/pom.xml
+++ b/marytts-assembly/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-assembly</artifactId>
diff --git a/marytts-builder/pom.xml b/marytts-builder/pom.xml
index 806a479c6e..ca9933478e 100644
--- a/marytts-builder/pom.xml
+++ b/marytts-builder/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>marytts</groupId>
 		<artifactId>marytts</artifactId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-builder</artifactId>
diff --git a/marytts-client/pom.xml b/marytts-client/pom.xml
index 5a7dbc0f8f..8c30b38784 100644
--- a/marytts-client/pom.xml
+++ b/marytts-client/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-client</artifactId>
diff --git a/marytts-common/pom.xml b/marytts-common/pom.xml
index 478b2e8f73..197ded2a59 100644
--- a/marytts-common/pom.xml
+++ b/marytts-common/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-common</artifactId>
diff --git a/marytts-lang-de/pom.xml b/marytts-lang-de/pom.xml
index 7fba15cdf7..6241a030c4 100644
--- a/marytts-lang-de/pom.xml
+++ b/marytts-lang-de/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-lang-de</artifactId>
diff --git a/marytts-lang-en/pom.xml b/marytts-lang-en/pom.xml
index 84aa45aa0e..5d95e8d084 100644
--- a/marytts-lang-en/pom.xml
+++ b/marytts-lang-en/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-lang-en</artifactId>
diff --git a/marytts-lang-fr/pom.xml b/marytts-lang-fr/pom.xml
index 1ba97381b7..950ae2d57a 100644
--- a/marytts-lang-fr/pom.xml
+++ b/marytts-lang-fr/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-lang-fr</artifactId>
diff --git a/marytts-lang-it/pom.xml b/marytts-lang-it/pom.xml
index ce76ad4400..31562bb248 100644
--- a/marytts-lang-it/pom.xml
+++ b/marytts-lang-it/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-lang-it</artifactId>
diff --git a/marytts-lang-ru/pom.xml b/marytts-lang-ru/pom.xml
index 4e105585d5..4ac5d2576a 100644
--- a/marytts-lang-ru/pom.xml
+++ b/marytts-lang-ru/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-lang-ru</artifactId>
diff --git a/marytts-lang-sv/pom.xml b/marytts-lang-sv/pom.xml
index 05dc8e1e2f..ac8a08ed89 100644
--- a/marytts-lang-sv/pom.xml
+++ b/marytts-lang-sv/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-lang-sv</artifactId>
diff --git a/marytts-lang-te/pom.xml b/marytts-lang-te/pom.xml
index ce223c7f78..7ad7bb231b 100644
--- a/marytts-lang-te/pom.xml
+++ b/marytts-lang-te/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-lang-te</artifactId>
diff --git a/marytts-lang-tr/pom.xml b/marytts-lang-tr/pom.xml
index 92986bac17..18467f0f82 100644
--- a/marytts-lang-tr/pom.xml
+++ b/marytts-lang-tr/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-lang-tr</artifactId>
diff --git a/marytts-redstart/pom.xml b/marytts-redstart/pom.xml
index b78041e362..164da265f8 100644
--- a/marytts-redstart/pom.xml
+++ b/marytts-redstart/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-redstart</artifactId>
diff --git a/marytts-runtime/pom.xml b/marytts-runtime/pom.xml
index 0b9478387c..c6ba55109f 100644
--- a/marytts-runtime/pom.xml
+++ b/marytts-runtime/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-runtime</artifactId>
diff --git a/marytts-signalproc/pom.xml b/marytts-signalproc/pom.xml
index 64eb62cab7..d01f6165a9 100644
--- a/marytts-signalproc/pom.xml
+++ b/marytts-signalproc/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-signalproc</artifactId>
diff --git a/marytts-transcription/pom.xml b/marytts-transcription/pom.xml
index 3bce237888..a1fc0248cd 100644
--- a/marytts-transcription/pom.xml
+++ b/marytts-transcription/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>marytts-transcription</artifactId>
diff --git a/pom.xml b/pom.xml
index 867dfccbef..9dfe397122 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,11 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<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">
+<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>
 
 	<groupId>marytts</groupId>
 	<artifactId>marytts</artifactId>
-	<version>5.1-beta2-SNAPSHOT</version>
+	<version>5.1-beta2</version>
 	<packaging>pom</packaging>
 
 	<name>MARY TTS</name>
@@ -122,7 +121,7 @@
 		<url>https://github.com/marytts/marytts</url>
 		<connection>scm:git:https://github.com/marytts/marytts.git</connection>
 		<developerConnection>scm:git:https://github.com/marytts/marytts.git</developerConnection>
-		<tag>HEAD</tag>
+		<tag>v5.1beta2</tag>
 	</scm>
 
 	<properties>
diff --git a/voice-cmu-slt-hsmm/pom.xml b/voice-cmu-slt-hsmm/pom.xml
index 6b8631c654..8ec13ee67f 100644
--- a/voice-cmu-slt-hsmm/pom.xml
+++ b/voice-cmu-slt-hsmm/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<artifactId>marytts</artifactId>
 		<groupId>marytts</groupId>
-		<version>5.1-beta2-SNAPSHOT</version>
+		<version>5.1-beta2</version>
 	</parent>
 
 	<artifactId>voice-cmu-slt-hsmm</artifactId>