diff --git a/archetype/generated-validator/pom.xml b/archetype/generated-validator/pom.xml
index a5391f8ffe869f9917e3fcd8b0765fd8b8e55ea8..e91935946e1c4dee2f7d75def04a7d0168a312a6 100644
--- a/archetype/generated-validator/pom.xml
+++ b/archetype/generated-validator/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>gazelle-objects-checker</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.0.3</version>
+        <version>3.0.4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
@@ -13,7 +13,7 @@
     <groupId>net.ihe.gazelle.goc</groupId>
     <artifactId>generated-validator</artifactId>
     <packaging>pom</packaging>
-    <version>3.0.3</version>
+    <version>3.0.4-SNAPSHOT</version>
     <modules>
         <module>validator-archetype-instantiator</module>
         <module>validator-archetype</module>
diff --git a/archetype/generated-validator/validator-archetype-instantiator/pom.xml b/archetype/generated-validator/validator-archetype-instantiator/pom.xml
index 81e5148df9e2f890fa903ac26df95d61ff1a9ac4..0a39ce8640378b70451451fbe09759849827ee92 100644
--- a/archetype/generated-validator/validator-archetype-instantiator/pom.xml
+++ b/archetype/generated-validator/validator-archetype-instantiator/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <artifactId>generated-validator</artifactId>
         <groupId>net.ihe.gazelle.goc</groupId>
-        <version>3.0.3</version>
+        <version>3.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>validator-archetype-instantiator</artifactId>
-    <version>3.0.3</version>
+    <version>3.0.4-SNAPSHOT</version>
 
     <packaging>jar</packaging>
 </project>
\ No newline at end of file
diff --git a/archetype/generated-validator/validator-archetype/pom.xml b/archetype/generated-validator/validator-archetype/pom.xml
index 33ee913eeabcd1b064d0788f890e73256467852b..8e17b20bf3dafef31c9dd02e141c6bfe216f9216 100644
--- a/archetype/generated-validator/validator-archetype/pom.xml
+++ b/archetype/generated-validator/validator-archetype/pom.xml
@@ -3,11 +3,11 @@
     <parent>
         <artifactId>generated-validator</artifactId>
         <groupId>net.ihe.gazelle.goc</groupId>
-        <version>3.0.3</version>
+        <version>3.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>validator-archetype</artifactId>
-    <version>3.0.3</version>
+    <version>3.0.4-SNAPSHOT</version>
     <packaging>maven-archetype</packaging>
 
     <build>
diff --git a/hl7templates/gocmodel-jar/pom.xml b/hl7templates/gocmodel-jar/pom.xml
index c2398b4fd3a3a0c72dea6e0dccf80d60d48b031c..ec74fd7cdeeadd8e61cb8b4290756fa3506b6c0d 100644
--- a/hl7templates/gocmodel-jar/pom.xml
+++ b/hl7templates/gocmodel-jar/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>gazelle-objects-checker</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.0.3</version>
+        <version>3.0.4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
@@ -11,7 +11,7 @@
     <groupId>net.ihe.gazelle</groupId>
     <artifactId>gocmodel-jar</artifactId>
     <name>GOC Model JAR</name>
-    <version>3.0.3</version>
+    <version>3.0.4-SNAPSHOT</version>
 
     <organization>
         <name>IHE-Europe</name>
diff --git a/hl7templates/hl7templates-api-jar/pom.xml b/hl7templates/hl7templates-api-jar/pom.xml
index 667c7bec9d7f5c6742c5183788d7073b4079e06f..03c390d59b61e1570ea1d448570c86e90e6bb3f0 100644
--- a/hl7templates/hl7templates-api-jar/pom.xml
+++ b/hl7templates/hl7templates-api-jar/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>gazelle-objects-checker</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.0.3</version>
+        <version>3.0.4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
@@ -11,7 +11,7 @@
     <groupId>net.ihe.gazelle</groupId>
     <artifactId>hl7templates-api-jar</artifactId>
     <name>HL7Templates API JAR</name>
-    <version>3.0.3</version>
+    <version>3.0.4-SNAPSHOT</version>
 
     <organization>
         <name>IHE-Europe</name>
@@ -81,7 +81,7 @@
         <dependency>
             <groupId>net.ihe.gazelle</groupId>
             <artifactId>hl7templates-model-jar</artifactId>
-            <version>3.0.3</version>
+            <version>3.0.4-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/hl7templates/hl7templates-generator-jar/pom.xml b/hl7templates/hl7templates-generator-jar/pom.xml
index a426ebe95d644216c4c0d9c9a070e9d1ab4086ce..28e2a28c26b941e80bb438e10d6b08e11dbc4c47 100644
--- a/hl7templates/hl7templates-generator-jar/pom.xml
+++ b/hl7templates/hl7templates-generator-jar/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>gazelle-objects-checker</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.0.3</version>
+        <version>3.0.4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
@@ -11,7 +11,7 @@
     <groupId>net.ihe.gazelle</groupId>
     <artifactId>hl7templates-generator-jar</artifactId>
     <name>HL7Templates Generator JAR</name>
-    <version>3.0.3</version>
+    <version>3.0.4-SNAPSHOT</version>
 
 
     <organization>
@@ -143,7 +143,7 @@
                     <dependency>
                         <groupId>net.ihe.gazelle</groupId>
                         <artifactId>gocmodel-jar</artifactId>
-                        <version>3.0.3</version>
+                        <version>3.0.4-SNAPSHOT</version>
                     </dependency>
                 </dependencies>
             </plugin>
@@ -238,7 +238,7 @@
         <dependency>
             <groupId>net.ihe.gazelle</groupId>
             <artifactId>hl7templates-model-jar</artifactId>
-            <version>3.0.3</version>
+            <version>3.0.4-SNAPSHOT</version>
         </dependency>
 
         <dependency>
@@ -249,7 +249,7 @@
         <dependency>
             <groupId>net.ihe.gazelle</groupId>
             <artifactId>hl7templates-api-jar</artifactId>
-            <version>3.0.3</version>
+            <version>3.0.4-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>net.ihe.gazelle.svs</groupId>
diff --git a/hl7templates/hl7templates-model-jar/pom.xml b/hl7templates/hl7templates-model-jar/pom.xml
index 9303141719dcc41541948c678caae7a7ec0bc73a..b97c719bbdf403413189cb9f21e06cde8b74de42 100644
--- a/hl7templates/hl7templates-model-jar/pom.xml
+++ b/hl7templates/hl7templates-model-jar/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>gazelle-objects-checker</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.0.3</version>
+        <version>3.0.4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
@@ -11,7 +11,7 @@
     <groupId>net.ihe.gazelle</groupId>
     <artifactId>hl7templates-model-jar</artifactId>
     <name>HL7Templates Model JAR</name>
-    <version>3.0.3</version>
+    <version>3.0.4-SNAPSHOT</version>
 
     <organization>
         <name>IHE-Europe</name>
@@ -134,7 +134,7 @@
                     <dependency>
                         <groupId>net.ihe.gazelle</groupId>
                         <artifactId>gocmodel-jar</artifactId>
-                        <version>3.0.3</version>
+                        <version>3.0.4-SNAPSHOT</version>
                     </dependency>
                 </dependencies>
             </plugin>
@@ -214,7 +214,7 @@
         <dependency>
             <groupId>net.ihe.gazelle</groupId>
             <artifactId>gocmodel-jar</artifactId>
-            <version>3.0.3</version>
+            <version>3.0.4-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/hl7templates/hl7templates-packager-jar/pom.xml b/hl7templates/hl7templates-packager-jar/pom.xml
index b1fed8f693d5b133e9ff4e86f948e18c23f885f4..652546fe46c06db0a96b0dde951fd542cf13bcbb 100644
--- a/hl7templates/hl7templates-packager-jar/pom.xml
+++ b/hl7templates/hl7templates-packager-jar/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>gazelle-objects-checker</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.0.3</version>
+        <version>3.0.4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
@@ -11,7 +11,7 @@
     <groupId>net.ihe.gazelle</groupId>
     <artifactId>hl7templates-packager-jar</artifactId>
     <name>HL7 Templates Packager</name>
-    <version>3.0.3</version>
+    <version>3.0.4-SNAPSHOT</version>
 
     <organization>
         <name>IHE europe</name>
@@ -156,7 +156,7 @@
         <dependency>
             <groupId>net.ihe.gazelle</groupId>
             <artifactId>hl7templates-generator-jar</artifactId>
-            <version>3.0.3</version>
+            <version>3.0.4-SNAPSHOT</version>
         </dependency>
 
         <dependency>
@@ -186,7 +186,7 @@
         <dependency>
             <groupId>net.ihe.gazelle.goc</groupId>
             <artifactId>validator-archetype-instantiator</artifactId>
-            <version>3.0.3</version>
+            <version>3.0.4-SNAPSHOT</version>
             <type>jar</type>
         </dependency>
 
diff --git a/pom.xml b/pom.xml
index 62f913c5f0a26543dcb82dbfef8311dda8014e73..023f5c62c4d8226a9396602edff7d532d1fdfd01 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <groupId>net.ihe.gazelle</groupId>
     <artifactId>gazelle-objects-checker</artifactId>
     <name>Gazelle Objects Checker</name>
-    <version>3.0.3</version>
+    <version>3.0.4-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <organization>
@@ -33,7 +33,7 @@
         <connection>scm:git:${git.project.url}</connection>
         <developerConnection>scm:git:${git.project.url}</developerConnection>
         <url>${git.project.url}</url>
-        <tag>3.0.3</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <repositories>