diff --git a/GazelleHL7v2Validator-ear/pom.xml b/GazelleHL7v2Validator-ear/pom.xml
index ab5f6b1e2bcdbed4b000a432ef2b45779abb5dc1..6df3fd7cadd9d51ecd9667e7c43bc825e16438fb 100644
--- a/GazelleHL7v2Validator-ear/pom.xml
+++ b/GazelleHL7v2Validator-ear/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>GazelleHL7v2Validator</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.8.3</version>
+        <version>3.8.4-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
@@ -11,7 +11,7 @@
     <artifactId>GazelleHL7v2Validator-ear</artifactId>
     <packaging>ear</packaging>
     <name>GazelleHL7v2Validator-ear</name>
-    <version>3.8.3</version>
+    <version>3.8.4-SNAPSHOT</version>
     <contributors>
         <contributor>
             <organization>INRIA - Rennes Bretagne Atlantique</organization>
@@ -100,14 +100,14 @@
             <groupId>net.ihe.gazelle</groupId>
             <artifactId>GazelleHL7v2Validator-ui</artifactId>
             <type>war</type>
-            <version>3.8.3</version>
+            <version>3.8.4-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>net.ihe.gazelle</groupId>
             <artifactId>GazelleHL7v2Validator-ejb</artifactId>
             <type>ejb</type>
-            <version>3.8.3</version>
+            <version>3.8.4-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.jboss.seam</groupId>
diff --git a/GazelleHL7v2Validator-ejb/pom.xml b/GazelleHL7v2Validator-ejb/pom.xml
index 7e3fc025de615fcf184f0f4574c0a9f1d87912b7..96bc598f0415e60ed7ec70d12a6dc6f1be4f69d6 100644
--- a/GazelleHL7v2Validator-ejb/pom.xml
+++ b/GazelleHL7v2Validator-ejb/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>GazelleHL7v2Validator</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.8.3</version>
+        <version>3.8.4-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
@@ -276,7 +276,7 @@
         <dependency>
             <groupId>net.ihe.gazelle</groupId>
             <artifactId>gvt-validation-jar</artifactId>
-            <version>3.8.3</version>
+            <version>3.8.4-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
diff --git a/GazelleHL7v2Validator-ui/pom.xml b/GazelleHL7v2Validator-ui/pom.xml
index 1d3c7626bb2951c91a6ac2261891e1922575cbf5..d68d26a83bc5b76cd2f79c719b7c2a92d7ca656e 100644
--- a/GazelleHL7v2Validator-ui/pom.xml
+++ b/GazelleHL7v2Validator-ui/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>GazelleHL7v2Validator</artifactId>
     <groupId>net.ihe.gazelle</groupId>
-    <version>3.8.3</version>
+    <version>3.8.4-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
@@ -11,7 +11,7 @@
   <artifactId>GazelleHL7v2Validator-ui</artifactId>
   <packaging>war</packaging>
   <name>GazelleHL7v2Validator-ui</name>
-  <version>3.8.3</version>
+  <version>3.8.4-SNAPSHOT</version>
   <description>Archetype for the UI part of our java projects</description>
   <organization>
     <name>INRIA - IHE Development</name>
diff --git a/gazelle-hl7-validator-report-jar/pom.xml b/gazelle-hl7-validator-report-jar/pom.xml
index 1511c780f531295b0f0d0c7423381dd8d1e3eb53..c08b60590f7036632d66bb55f615ce28fcd22d7a 100644
--- a/gazelle-hl7-validator-report-jar/pom.xml
+++ b/gazelle-hl7-validator-report-jar/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>GazelleHL7v2Validator</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.8.3</version>
+        <version>3.8.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>jar</packaging>
diff --git a/gazelle-hl7v2-validator-api-jar/pom.xml b/gazelle-hl7v2-validator-api-jar/pom.xml
index bdd8136991bd49b6dcedaa036a481de75da11eea..07b131513fac446e302d5d45d89d5421a5fd5ccb 100644
--- a/gazelle-hl7v2-validator-api-jar/pom.xml
+++ b/gazelle-hl7v2-validator-api-jar/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>GazelleHL7v2Validator</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.8.3</version>
+        <version>3.8.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/gvt-validation-jar/pom.xml b/gvt-validation-jar/pom.xml
index d1efd2525d6ca77e2341ffb9fd9911c3c1621207..8e2219a2b67a610e8cb75e026ea29556fd2ec3d3 100644
--- a/gvt-validation-jar/pom.xml
+++ b/gvt-validation-jar/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>GazelleHL7v2Validator</artifactId>
         <groupId>net.ihe.gazelle</groupId>
-        <version>3.8.3</version>
+        <version>3.8.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index e8e99c321cf7358c72450ceb7081aab0da9e7629..9364729101804d8807da8117c7f0a082c7c996f4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.ihe.gazelle</groupId>
     <artifactId>GazelleHL7v2Validator</artifactId>
-    <version>3.8.3</version>
+    <version>3.8.4-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>GazelleHL7v2Validator</name>
     <description>parent for project GazelleHL7v2Validator</description>
@@ -26,7 +26,7 @@
         <connection>scm:git:${git.project.url}</connection>
         <url>scm:git:${git.project.url}</url>
         <developerConnection>scm:git:${git.project.url}</developerConnection>
-      <tag>3.8.3</tag>
+      <tag>HEAD</tag>
   </scm>
 
     <organization>
@@ -85,27 +85,27 @@
             <dependency>
                 <groupId>net.ihe.gazelle</groupId>
                 <artifactId>gazelle-hl7-validator-report-jar</artifactId>
-                <version>3.8.3</version>
+                <version>3.8.4-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>net.ihe.gazelle</groupId>
                 <artifactId>gazelle-hl7v2-validator-api-jar</artifactId>
-                <version>3.8.3</version>
+                <version>3.8.4-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>net.ihe.gazelle</groupId>
                 <artifactId>GazelleHL7v2Validator-ejb</artifactId>
-                <version>3.8.3</version>
+                <version>3.8.4-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>net.ihe.gazelle</groupId>
                 <artifactId>GazelleHL7v2Validator-ear</artifactId>
-                <version>3.8.3</version>
+                <version>3.8.4-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>net.ihe.gazelle</groupId>
                 <artifactId>GazelleHL7v2Validator-ui</artifactId>
-                <version>3.8.3</version>
+                <version>3.8.4-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>net.ihe.gazelle</groupId>