[maven-release-plugin] prepare release MetaModel-5.2.1
diff --git a/cassandra/pom.xml b/cassandra/pom.xml
index 260027c..ead86eb 100644
--- a/cassandra/pom.xml
+++ b/cassandra/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-cassandra</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index c185b22..b323775 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-core</artifactId>
diff --git a/couchdb/pom.xml b/couchdb/pom.xml
index be384b3..4a12797 100644
--- a/couchdb/pom.xml
+++ b/couchdb/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-couchdb</artifactId>
diff --git a/csv/pom.xml b/csv/pom.xml
index 6bb700f..9f096c1 100644
--- a/csv/pom.xml
+++ b/csv/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-csv</artifactId>
diff --git a/dynamodb/pom.xml b/dynamodb/pom.xml
index 045d5e4..6da690b 100644
--- a/dynamodb/pom.xml
+++ b/dynamodb/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-dynamodb</artifactId>
diff --git a/elasticsearch/common/pom.xml b/elasticsearch/common/pom.xml
index 48672bc..df87510 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>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/elasticsearch/native/pom.xml b/elasticsearch/native/pom.xml
index ae62ee5..627a637 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>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/elasticsearch/pom.xml b/elasticsearch/pom.xml
index fa608fd..67c8939 100644
--- a/elasticsearch/pom.xml
+++ b/elasticsearch/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-elasticsearch</artifactId>
diff --git a/elasticsearch/rest/pom.xml b/elasticsearch/rest/pom.xml
index 61f188f..520557f 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>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 
 	<modelVersion>4.0.0</modelVersion>
diff --git a/excel/pom.xml b/excel/pom.xml
index 02e7156..c5a9800 100644
--- a/excel/pom.xml
+++ b/excel/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-excel</artifactId>
diff --git a/fixedwidth/pom.xml b/fixedwidth/pom.xml
index bf9579a..db49124 100644
--- a/fixedwidth/pom.xml
+++ b/fixedwidth/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-fixedwidth</artifactId>
diff --git a/full/pom.xml b/full/pom.xml
index 7ed94c7..5f7bf03 100644
--- a/full/pom.xml
+++ b/full/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-full</artifactId>
diff --git a/hadoop/pom.xml b/hadoop/pom.xml
index 9a6b05c..d9385bd 100644
--- a/hadoop/pom.xml
+++ b/hadoop/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-hadoop</artifactId>
diff --git a/hbase/pom.xml b/hbase/pom.xml
index a493df2..a3d7432 100644
--- a/hbase/pom.xml
+++ b/hbase/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-hbase</artifactId>
diff --git a/jdbc/pom.xml b/jdbc/pom.xml
index 4335a5d..9e14db0 100644
--- a/jdbc/pom.xml
+++ b/jdbc/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-jdbc</artifactId>
diff --git a/json/pom.xml b/json/pom.xml
index e6e55cf..a0e5b54 100644
--- a/json/pom.xml
+++ b/json/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-json</artifactId>
diff --git a/kafka/pom.xml b/kafka/pom.xml
index a59f61a..5a778ff 100644
--- a/kafka/pom.xml
+++ b/kafka/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-kafka</artifactId>
diff --git a/mongodb/common/pom.xml b/mongodb/common/pom.xml
index 7a92829..0fb4adb 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>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</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 954f522..24bd4b6 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>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</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 3d789bd..42eb9f0 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>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-mongodb-mongo3</artifactId>
diff --git a/mongodb/pom.xml b/mongodb/pom.xml
index 9cd371c..ed2bb77 100644
--- a/mongodb/pom.xml
+++ b/mongodb/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-mongodb</artifactId>
diff --git a/neo4j/pom.xml b/neo4j/pom.xml
index 2b22d5d..57bec3c 100644
--- a/neo4j/pom.xml
+++ b/neo4j/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-neo4j</artifactId>
diff --git a/openoffice/pom.xml b/openoffice/pom.xml
index 5a3f72e..a7f404f 100644
--- a/openoffice/pom.xml
+++ b/openoffice/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-openoffice</artifactId>
diff --git a/pojo/pom.xml b/pojo/pom.xml
index 2667808..6c6cd57 100644
--- a/pojo/pom.xml
+++ b/pojo/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-pojo</artifactId>
diff --git a/pom.xml b/pom.xml
index 2892a9e..86da749 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,11 +43,11 @@
 		<url>https://gitbox.apache.org/repos/asf/metamodel.git</url>
 		<connection>https://gitbox.apache.org/repos/asf/metamodel.git</connection>
 		<developerConnection>scm:git:https://gitbox.apache.org/repos/asf/metamodel.git</developerConnection>
-		<tag>HEAD</tag>
+		<tag>MetaModel-5.2.1</tag>
 	</scm>
 	<groupId>org.apache.metamodel</groupId>
 	<artifactId>MetaModel</artifactId>
-	<version>5.2.1-SNAPSHOT</version>
+	<version>5.2.1</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 57ba2ef..8e6e506 100644
--- a/salesforce/pom.xml
+++ b/salesforce/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-salesforce</artifactId>
diff --git a/spring/pom.xml b/spring/pom.xml
index 526f23c..6c39381 100644
--- a/spring/pom.xml
+++ b/spring/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-spring</artifactId>
diff --git a/sugarcrm/pom.xml b/sugarcrm/pom.xml
index e9cf1cf..644f6d9 100644
--- a/sugarcrm/pom.xml
+++ b/sugarcrm/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-sugarcrm</artifactId>
diff --git a/xml/pom.xml b/xml/pom.xml
index f910a81..1a5fc22 100644
--- a/xml/pom.xml
+++ b/xml/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.2.1-SNAPSHOT</version>
+		<version>5.2.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-xml</artifactId>