diff --git a/cassandra/pom.xml b/cassandra/pom.xml
index 29af9e7..1f9a461 100644
--- a/cassandra/pom.xml
+++ b/cassandra/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-cassandra</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index e540b3c..c91c638 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-core</artifactId>
diff --git a/couchdb/pom.xml b/couchdb/pom.xml
index bfd8fc3..06dca33 100644
--- a/couchdb/pom.xml
+++ b/couchdb/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-couchdb</artifactId>
diff --git a/csv/pom.xml b/csv/pom.xml
index 191c55c..e50fd1e 100644
--- a/csv/pom.xml
+++ b/csv/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-csv</artifactId>
diff --git a/elasticsearch/common/pom.xml b/elasticsearch/common/pom.xml
index bc798e6..b95a5a8 100644
--- a/elasticsearch/common/pom.xml
+++ b/elasticsearch/common/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel-elasticsearch</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/elasticsearch/native/pom.xml b/elasticsearch/native/pom.xml
index 1f5a372..6aeb6c1 100644
--- a/elasticsearch/native/pom.xml
+++ b/elasticsearch/native/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel-elasticsearch</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/elasticsearch/pom.xml b/elasticsearch/pom.xml
index 2e2a037..efd0771 100644
--- a/elasticsearch/pom.xml
+++ b/elasticsearch/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-elasticsearch</artifactId>
diff --git a/elasticsearch/rest/pom.xml b/elasticsearch/rest/pom.xml
index 3c292ac..a2b6420 100644
--- a/elasticsearch/rest/pom.xml
+++ b/elasticsearch/rest/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel-elasticsearch</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 
 	<modelVersion>4.0.0</modelVersion>
diff --git a/excel/pom.xml b/excel/pom.xml
index 4d81bc2..e50cf54 100644
--- a/excel/pom.xml
+++ b/excel/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-excel</artifactId>
diff --git a/fixedwidth/pom.xml b/fixedwidth/pom.xml
index 05c33b6..56ebbc5 100644
--- a/fixedwidth/pom.xml
+++ b/fixedwidth/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-fixedwidth</artifactId>
diff --git a/full/pom.xml b/full/pom.xml
index 3602e45..adf3a98 100644
--- a/full/pom.xml
+++ b/full/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-full</artifactId>
diff --git a/hadoop/pom.xml b/hadoop/pom.xml
index bd67d97..7ce7307 100644
--- a/hadoop/pom.xml
+++ b/hadoop/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-hadoop</artifactId>
diff --git a/hbase/pom.xml b/hbase/pom.xml
index 44c275d..a8ad0b1 100644
--- a/hbase/pom.xml
+++ b/hbase/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-hbase</artifactId>
diff --git a/jdbc/pom.xml b/jdbc/pom.xml
index 6b59cd4..6a1fefe 100644
--- a/jdbc/pom.xml
+++ b/jdbc/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-jdbc</artifactId>
diff --git a/json/pom.xml b/json/pom.xml
index b884bf4..09e228a 100644
--- a/json/pom.xml
+++ b/json/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-json</artifactId>
diff --git a/mongodb/common/pom.xml b/mongodb/common/pom.xml
index 2ef9d14..a3bd7b5 100644
--- a/mongodb/common/pom.xml
+++ b/mongodb/common/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel-mongodb</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-mongodb-common</artifactId>
diff --git a/mongodb/mongo2/pom.xml b/mongodb/mongo2/pom.xml
index b5e374e..39370d4 100644
--- a/mongodb/mongo2/pom.xml
+++ b/mongodb/mongo2/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel-mongodb</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-mongodb-mongo2</artifactId>
diff --git a/mongodb/mongo3/pom.xml b/mongodb/mongo3/pom.xml
index bf2e340..c293890 100644
--- a/mongodb/mongo3/pom.xml
+++ b/mongodb/mongo3/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel-mongodb</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-mongodb-mongo3</artifactId>
diff --git a/mongodb/pom.xml b/mongodb/pom.xml
index 4b81223..22665c1 100644
--- a/mongodb/pom.xml
+++ b/mongodb/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-mongodb</artifactId>
diff --git a/neo4j/pom.xml b/neo4j/pom.xml
index 5181ff6..4786787 100644
--- a/neo4j/pom.xml
+++ b/neo4j/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-neo4j</artifactId>
diff --git a/openoffice/pom.xml b/openoffice/pom.xml
index 2f04c84..59e2fd2 100644
--- a/openoffice/pom.xml
+++ b/openoffice/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-openoffice</artifactId>
diff --git a/pojo/pom.xml b/pojo/pom.xml
index d48940e..647d951 100644
--- a/pojo/pom.xml
+++ b/pojo/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-pojo</artifactId>
diff --git a/pom.xml b/pom.xml
index a45cc4b..668b44a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -42,11 +42,11 @@
 		<url>https://git-wip-us.apache.org/repos/asf?p=metamodel.git</url>
 		<connection>scm:git:http://git-wip-us.apache.org/repos/asf/metamodel.git</connection>
 		<developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/metamodel.git</developerConnection>
-		<tag>HEAD</tag>
+		<tag>MetaModel-4.5.1</tag>
 	</scm>
 	<groupId>org.apache.metamodel</groupId>
 	<artifactId>MetaModel</artifactId>
-	<version>4.5.1-SNAPSHOT</version>
+	<version>4.5.1</version>
 	<name>MetaModel</name>
 	<description>MetaModel is a library that encapsulates the differences and enhances 
 		the capabilities of different datastores. Rich querying abilities are
diff --git a/salesforce/pom.xml b/salesforce/pom.xml
index a05cd5f..9ace7ed 100644
--- a/salesforce/pom.xml
+++ b/salesforce/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-salesforce</artifactId>
diff --git a/spring/pom.xml b/spring/pom.xml
index b77e818..266d26c 100644
--- a/spring/pom.xml
+++ b/spring/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-spring</artifactId>
diff --git a/sugarcrm/pom.xml b/sugarcrm/pom.xml
index 9b16684..083a1b2 100644
--- a/sugarcrm/pom.xml
+++ b/sugarcrm/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-sugarcrm</artifactId>
diff --git a/xml/pom.xml b/xml/pom.xml
index 9baeb31..317a313 100644
--- a/xml/pom.xml
+++ b/xml/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>4.5.1-SNAPSHOT</version>
+		<version>4.5.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-xml</artifactId>