diff --git a/arff/pom.xml b/arff/pom.xml
index d2a58333..27c89e94 100644
--- a/arff/pom.xml
+++ b/arff/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-arff</artifactId>
diff --git a/cassandra/pom.xml b/cassandra/pom.xml
index 2bc774ed..653a9d86 100644
--- a/cassandra/pom.xml
+++ b/cassandra/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-cassandra</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index 5e9fa96b..aa67254d 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-core</artifactId>
diff --git a/couchdb/pom.xml b/couchdb/pom.xml
index a0e29111..f559b8cc 100644
--- a/couchdb/pom.xml
+++ b/couchdb/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-couchdb</artifactId>
diff --git a/csv/pom.xml b/csv/pom.xml
index ca51dc01..87aad2e7 100644
--- a/csv/pom.xml
+++ b/csv/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-csv</artifactId>
diff --git a/dynamodb/pom.xml b/dynamodb/pom.xml
index 44d354f2..83812aef 100644
--- a/dynamodb/pom.xml
+++ b/dynamodb/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-dynamodb</artifactId>
diff --git a/elasticsearch/common/pom.xml b/elasticsearch/common/pom.xml
index c0d0bcce..6383e290 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>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/elasticsearch/native/pom.xml b/elasticsearch/native/pom.xml
index b7fe69bc..90c59f32 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>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/elasticsearch/pom.xml b/elasticsearch/pom.xml
index 4a63ebc6..4028f5f6 100644
--- a/elasticsearch/pom.xml
+++ b/elasticsearch/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-elasticsearch</artifactId>
diff --git a/elasticsearch/rest/pom.xml b/elasticsearch/rest/pom.xml
index 63f43b28..481e9841 100644
--- a/elasticsearch/rest/pom.xml
+++ b/elasticsearch/rest/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel-elasticsearch</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 
 	<modelVersion>4.0.0</modelVersion>
diff --git a/excel/pom.xml b/excel/pom.xml
index 1a5d1426..530dba78 100644
--- a/excel/pom.xml
+++ b/excel/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-excel</artifactId>
diff --git a/fixedwidth/pom.xml b/fixedwidth/pom.xml
index fc77ec10..47e8f328 100644
--- a/fixedwidth/pom.xml
+++ b/fixedwidth/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-fixedwidth</artifactId>
diff --git a/full/pom.xml b/full/pom.xml
index 3ea1f1db..9acb037d 100644
--- a/full/pom.xml
+++ b/full/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-full</artifactId>
diff --git a/hadoop/pom.xml b/hadoop/pom.xml
index 3db1619d..c36e9538 100644
--- a/hadoop/pom.xml
+++ b/hadoop/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-hadoop</artifactId>
diff --git a/hbase/pom.xml b/hbase/pom.xml
index 306bf339..03d8c3b4 100644
--- a/hbase/pom.xml
+++ b/hbase/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-hbase</artifactId>
diff --git a/jdbc/pom.xml b/jdbc/pom.xml
index 20264580..86f35496 100644
--- a/jdbc/pom.xml
+++ b/jdbc/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-jdbc</artifactId>
diff --git a/json/pom.xml b/json/pom.xml
index b548f43e..a632c626 100644
--- a/json/pom.xml
+++ b/json/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-json</artifactId>
diff --git a/kafka/pom.xml b/kafka/pom.xml
index bf2908ba..3028225b 100644
--- a/kafka/pom.xml
+++ b/kafka/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-kafka</artifactId>
diff --git a/mongodb/common/pom.xml b/mongodb/common/pom.xml
index cb1f2801..b8e22146 100644
--- a/mongodb/common/pom.xml
+++ b/mongodb/common/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel-mongodb</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</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 7a9a1940..b8498e16 100644
--- a/mongodb/mongo2/pom.xml
+++ b/mongodb/mongo2/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel-mongodb</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</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 c14ceae3..66422067 100644
--- a/mongodb/mongo3/pom.xml
+++ b/mongodb/mongo3/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel-mongodb</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-mongodb-mongo3</artifactId>
diff --git a/mongodb/pom.xml b/mongodb/pom.xml
index 59cfedb1..196e420b 100644
--- a/mongodb/pom.xml
+++ b/mongodb/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-mongodb</artifactId>
diff --git a/neo4j/pom.xml b/neo4j/pom.xml
index 6d8cc2e5..ab04054f 100644
--- a/neo4j/pom.xml
+++ b/neo4j/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-neo4j</artifactId>
diff --git a/openoffice/pom.xml b/openoffice/pom.xml
index 4f41ac0e..58f84745 100644
--- a/openoffice/pom.xml
+++ b/openoffice/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-openoffice</artifactId>
diff --git a/pojo/pom.xml b/pojo/pom.xml
index d0fcb3ca..ec8ae1e8 100644
--- a/pojo/pom.xml
+++ b/pojo/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-pojo</artifactId>
diff --git a/pom.xml b/pom.xml
index 2a1d9913..c53d71ec 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,11 +43,11 @@ under the License.
 		<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>MetaModel-5.3.3</tag>
+		<tag>HEAD</tag>
 	</scm>
 	<groupId>org.apache.metamodel</groupId>
 	<artifactId>MetaModel</artifactId>
-	<version>5.3.3</version>
+	<version>5.3.4-SNAPSHOT</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 a7e0db86..27937e14 100644
--- a/salesforce/pom.xml
+++ b/salesforce/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-salesforce</artifactId>
diff --git a/spring/pom.xml b/spring/pom.xml
index 8868cd7a..3b4b4ae3 100644
--- a/spring/pom.xml
+++ b/spring/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-spring</artifactId>
diff --git a/sugarcrm/pom.xml b/sugarcrm/pom.xml
index 615ce967..7edde4f6 100644
--- a/sugarcrm/pom.xml
+++ b/sugarcrm/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-sugarcrm</artifactId>
diff --git a/xml/pom.xml b/xml/pom.xml
index cedfe77a..e46c98ba 100644
--- a/xml/pom.xml
+++ b/xml/pom.xml
@@ -21,7 +21,7 @@ under the License.
 	<parent>
 		<artifactId>MetaModel</artifactId>
 		<groupId>org.apache.metamodel</groupId>
-		<version>5.3.3</version>
+		<version>5.3.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>MetaModel-xml</artifactId>