diff --git a/bom/pom.xml b/bom/pom.xml
index 367acbdfe..f73085b73 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>bom</artifactId>
diff --git a/cli/application/pom.xml b/cli/application/pom.xml
index d55554168..3176d40e8 100644
--- a/cli/application/pom.xml
+++ b/cli/application/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.cli</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
     <groupId>com.buschmais.jqassistant.cli</groupId>
     <artifactId>application</artifactId>
diff --git a/cli/assembly/pom.xml b/cli/assembly/pom.xml
index aad335605..d8d333937 100644
--- a/cli/assembly/pom.xml
+++ b/cli/assembly/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.cli</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
     <artifactId>assembly</artifactId>
 
diff --git a/cli/neo4jv4/pom.xml b/cli/neo4jv4/pom.xml
index d4b319837..ee96394e5 100644
--- a/cli/neo4jv4/pom.xml
+++ b/cli/neo4jv4/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.cli</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
     <artifactId>jqassistant-commandline-neo4jv4</artifactId>
 
diff --git a/cli/neo4jv5/pom.xml b/cli/neo4jv5/pom.xml
index 1afce6cc5..e7dd552e4 100644
--- a/cli/neo4jv5/pom.xml
+++ b/cli/neo4jv5/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.cli</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
     <artifactId>jqassistant-commandline-neo4jv5</artifactId>
 
diff --git a/cli/pom.xml b/cli/pom.xml
index a6397edc6..373d6adf9 100644
--- a/cli/pom.xml
+++ b/cli/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <groupId>com.buschmais.jqassistant.cli</groupId>
diff --git a/cli/test/pom.xml b/cli/test/pom.xml
index bd916482c..915521786 100644
--- a/cli/test/pom.xml
+++ b/cli/test/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.cli</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>test</artifactId>
diff --git a/core/analysis/pom.xml b/core/analysis/pom.xml
index aa08edced..5f8bb816c 100644
--- a/core/analysis/pom.xml
+++ b/core/analysis/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.core</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>analysis</artifactId>
diff --git a/core/artifact-resolver/pom.xml b/core/artifact-resolver/pom.xml
index 33a172c31..09707b6ac 100644
--- a/core/artifact-resolver/pom.xml
+++ b/core/artifact-resolver/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.core</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>artifact-resolver</artifactId>
diff --git a/core/neo4j/pom.xml b/core/neo4j/pom.xml
index bdf9d120a..64f556d85 100644
--- a/core/neo4j/pom.xml
+++ b/core/neo4j/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.core</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>neo4j</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index da7d7d781..8c8150f59 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <groupId>com.buschmais.jqassistant.core</groupId>
diff --git a/core/report/pom.xml b/core/report/pom.xml
index 968936823..ae6467492 100644
--- a/core/report/pom.xml
+++ b/core/report/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.buschmais.jqassistant.core</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.6.0-SNAPSHOT</version>
+		<version>2.6.0-M1</version>
 	</parent>
 
 	<artifactId>report</artifactId>
diff --git a/core/rule/pom.xml b/core/rule/pom.xml
index 35c5afdc2..0af41dfca 100644
--- a/core/rule/pom.xml
+++ b/core/rule/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.core</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>rule</artifactId>
diff --git a/core/runtime/pom.xml b/core/runtime/pom.xml
index df10227a6..8816c9f9b 100644
--- a/core/runtime/pom.xml
+++ b/core/runtime/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.core</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>runtime</artifactId>
diff --git a/core/scanner/pom.xml b/core/scanner/pom.xml
index c997573c9..5d9625faf 100644
--- a/core/scanner/pom.xml
+++ b/core/scanner/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.buschmais.jqassistant.core</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.6.0-SNAPSHOT</version>
+		<version>2.6.0-M1</version>
 	</parent>
 	<artifactId>scanner</artifactId>
     <name>jQAssistant Core Scanner</name>
diff --git a/core/schemata/pom.xml b/core/schemata/pom.xml
index ed475e757..656bfb0e4 100644
--- a/core/schemata/pom.xml
+++ b/core/schemata/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.core</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>schemata</artifactId>
diff --git a/core/shared/pom.xml b/core/shared/pom.xml
index bbdb1fdc5..54f1d4345 100644
--- a/core/shared/pom.xml
+++ b/core/shared/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.core</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
     <artifactId>shared</artifactId>
     <name>jQAssistant Core Shared</name>
diff --git a/core/store/pom.xml b/core/store/pom.xml
index f5d1fe4d2..2f4dbb8ed 100644
--- a/core/store/pom.xml
+++ b/core/store/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.buschmais.jqassistant.core</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.6.0-SNAPSHOT</version>
+		<version>2.6.0-M1</version>
 	</parent>
 	<artifactId>store</artifactId>
 	<name>jQAssistant Core Store</name>
diff --git a/core/test/pom.xml b/core/test/pom.xml
index cd58bbf67..da0789479 100644
--- a/core/test/pom.xml
+++ b/core/test/pom.xml
@@ -1,10 +1,9 @@
-<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>
     <parent>
         <groupId>com.buschmais.jqassistant.core</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>test</artifactId>
diff --git a/distribution-specification/pom.xml b/distribution-specification/pom.xml
index b35fc466f..0be03ba51 100644
--- a/distribution-specification/pom.xml
+++ b/distribution-specification/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>jqa-distribution-specification</artifactId>
diff --git a/manual/pom.xml b/manual/pom.xml
index c5c505c78..8eaed3c46 100644
--- a/manual/pom.xml
+++ b/manual/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>manual</artifactId>
diff --git a/maven/pom.xml b/maven/pom.xml
index 7590a335a..cce5bc01d 100644
--- a/maven/pom.xml
+++ b/maven/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>jqassistant-maven-plugin</artifactId>
diff --git a/plugin/common/pom.xml b/plugin/common/pom.xml
index 2dab0a0c9..916ee8031 100644
--- a/plugin/common/pom.xml
+++ b/plugin/common/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.plugin</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>common</artifactId>
diff --git a/plugin/java/pom.xml b/plugin/java/pom.xml
index 12285f29b..37c2eb7d9 100644
--- a/plugin/java/pom.xml
+++ b/plugin/java/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.plugin</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>java</artifactId>
diff --git a/plugin/json/pom.xml b/plugin/json/pom.xml
index e4779749c..7751c8060 100644
--- a/plugin/json/pom.xml
+++ b/plugin/json/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.plugin</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>json</artifactId>
diff --git a/plugin/junit/pom.xml b/plugin/junit/pom.xml
index 3aeb21873..89d21b153 100644
--- a/plugin/junit/pom.xml
+++ b/plugin/junit/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.plugin</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>junit</artifactId>
diff --git a/plugin/maven/pom.xml b/plugin/maven/pom.xml
index fee5b2b75..2384a3324 100644
--- a/plugin/maven/pom.xml
+++ b/plugin/maven/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.plugin</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>maven3</artifactId>
diff --git a/plugin/pom.xml b/plugin/pom.xml
index 4b6c0dc2c..09ceea1d5 100644
--- a/plugin/pom.xml
+++ b/plugin/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <groupId>com.buschmais.jqassistant.plugin</groupId>
diff --git a/plugin/xml/pom.xml b/plugin/xml/pom.xml
index 1f947eba4..054c03b54 100644
--- a/plugin/xml/pom.xml
+++ b/plugin/xml/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.plugin</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>xml</artifactId>
diff --git a/plugin/yaml/pom.xml b/plugin/yaml/pom.xml
index e6613c215..d95846062 100644
--- a/plugin/yaml/pom.xml
+++ b/plugin/yaml/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.buschmais.jqassistant.plugin</groupId>
         <artifactId>parent</artifactId>
-        <version>2.6.0-SNAPSHOT</version>
+        <version>2.6.0-M1</version>
     </parent>
 
     <artifactId>yaml2</artifactId>
diff --git a/pom.xml b/pom.xml
index 417da0ab1..816b51895 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 
     <groupId>com.buschmais.jqassistant</groupId>
     <artifactId>parent</artifactId>
-    <version>2.6.0-SNAPSHOT</version>
+    <version>2.6.0-M1</version>
     <packaging>pom</packaging>
 
     <name>jQAssistant Parent</name>
@@ -37,7 +37,7 @@
         <connection>scm:git:https://github.com/jqassistant/jqassistant.git</connection>
         <developerConnection>scm:git:https://github.com/jqassistant/jqassistant.git</developerConnection>
         <url>https://github.com/jqassistant/jqassistant/</url>
-        <tag>parent-2.4.0-M1</tag>
+        <tag>2.6.0-M1</tag>
     </scm>
 
     <prerequisites>