diff --git a/opal-core-api/pom.xml b/opal-core-api/pom.xml
index f5254fac96..6724e3f859 100644
--- a/opal-core-api/pom.xml
+++ b/opal-core-api/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
     <relativePath>../</relativePath>
   </parent>
   <artifactId>opal-core-api</artifactId>
diff --git a/opal-core-ws/pom.xml b/opal-core-ws/pom.xml
index fe99a5e824..85aca5a9ea 100644
--- a/opal-core-ws/pom.xml
+++ b/opal-core-ws/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
   </parent>
   <artifactId>opal-core-ws</artifactId>
   <name>opal-core-ws</name>
diff --git a/opal-core/pom.xml b/opal-core/pom.xml
index b9158999a1..cea254b0d9 100644
--- a/opal-core/pom.xml
+++ b/opal-core/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/opal-datashield/pom.xml b/opal-datashield/pom.xml
index c0ede4a17a..f52fcfe198 100644
--- a/opal-datashield/pom.xml
+++ b/opal-datashield/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
     <relativePath>..</relativePath>
   </parent>
   <artifactId>opal-datashield</artifactId>
diff --git a/opal-fs/pom.xml b/opal-fs/pom.xml
index f614fc810c..07b40ea87b 100644
--- a/opal-fs/pom.xml
+++ b/opal-fs/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>opal-fs</artifactId>
diff --git a/opal-httpd/pom.xml b/opal-httpd/pom.xml
index 700a39f10a..90ee6a5fd4 100644
--- a/opal-httpd/pom.xml
+++ b/opal-httpd/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
   </parent>
   <artifactId>opal-httpd</artifactId>
   <name>opal-httpd</name>
diff --git a/opal-r/pom.xml b/opal-r/pom.xml
index 4c69781d17..4e50e5a20c 100644
--- a/opal-r/pom.xml
+++ b/opal-r/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/opal-rest-client/pom.xml b/opal-rest-client/pom.xml
index 7959d6de8e..9b3ce2f8bc 100644
--- a/opal-rest-client/pom.xml
+++ b/opal-rest-client/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
   </parent>
   <artifactId>opal-rest-client</artifactId>
   <name>opal-rest-client</name>
diff --git a/opal-search/pom.xml b/opal-search/pom.xml
index 8b3eaca106..1fb2cd4735 100644
--- a/opal-search/pom.xml
+++ b/opal-search/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
   </parent>
   <artifactId>opal-search</artifactId>
   <name>opal-search</name>
diff --git a/opal-server/pom.xml b/opal-server/pom.xml
index aac85de171..cdef4fcda6 100644
--- a/opal-server/pom.xml
+++ b/opal-server/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
   </parent>
   <artifactId>opal-server</artifactId>
   <name>opal-server</name>
diff --git a/opal-shell/pom.xml b/opal-shell/pom.xml
index 8523e35423..aa857fcc49 100644
--- a/opal-shell/pom.xml
+++ b/opal-shell/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
   </parent>
   <artifactId>opal-shell</artifactId>
   <name>opal-shell</name>
diff --git a/opal-spi-r/pom.xml b/opal-spi-r/pom.xml
index 4dd2c87129..9e5ff427ca 100644
--- a/opal-spi-r/pom.xml
+++ b/opal-spi-r/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
     <relativePath>../</relativePath>
   </parent>
   <artifactId>opal-spi-r</artifactId>
diff --git a/opal-spi/pom.xml b/opal-spi/pom.xml
index 92b791b7d6..851a6abb02 100644
--- a/opal-spi/pom.xml
+++ b/opal-spi/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
     <relativePath>../</relativePath>
   </parent>
   <artifactId>opal-spi</artifactId>
diff --git a/opal-sql/pom.xml b/opal-sql/pom.xml
index 8a0cac770a..7247bb4816 100644
--- a/opal-sql/pom.xml
+++ b/opal-sql/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/opal-ui/pom.xml b/opal-ui/pom.xml
index 3a54472cf3..1fa1fc2a4a 100644
--- a/opal-ui/pom.xml
+++ b/opal-ui/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
   </parent>
   <artifactId>opal-ui</artifactId>
   <name>opal-ui</name>
diff --git a/opal-upgrade/pom.xml b/opal-upgrade/pom.xml
index 22297781a3..ab9607e37a 100644
--- a/opal-upgrade/pom.xml
+++ b/opal-upgrade/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/opal-web-model/pom.xml b/opal-web-model/pom.xml
index 95b9463cc2..71c1b51092 100644
--- a/opal-web-model/pom.xml
+++ b/opal-web-model/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
   </parent>
   <artifactId>opal-web-model</artifactId>
   <name>opal-web-model</name>
diff --git a/opal-ws/pom.xml b/opal-ws/pom.xml
index 2e43fa07ea..5373b671eb 100644
--- a/opal-ws/pom.xml
+++ b/opal-ws/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>opal</artifactId>
     <groupId>org.obiba.opal</groupId>
-    <version>5.0.1</version>
+    <version>5.0-SNAPSHOT</version>
   </parent>
   <artifactId>opal-ws</artifactId>
   <name>opal-ws</name>
diff --git a/pom.xml b/pom.xml
index 0365c50ddb..6bd203a3c3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,7 @@
   <groupId>org.obiba.opal</groupId>
   <artifactId>opal</artifactId>
   <packaging>pom</packaging>
-  <version>5.0.1</version>
+  <version>5.0-SNAPSHOT</version>
 
   <name>opal</name>
   <description>Opal Application</description>
@@ -1632,7 +1632,7 @@
     <connection>scm:git:https://github.com/obiba/opal.git</connection>
     <developerConnection>scm:git:https://github.com/obiba/opal.git</developerConnection>
     <url>https://github.com/obiba/opal</url>
-    <tag>5.0.1</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <issueManagement>