diff --git a/assembly/pom.xml b/assembly/pom.xml
index 9f321a1..cbe6534 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -24,7 +24,7 @@
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-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/bundle/pom.xml b/bundle/pom.xml
index 893578a..3b7c6a1 100644
--- a/bundle/pom.xml
+++ b/bundle/pom.xml
@@ -24,7 +24,7 @@
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diff --git a/cloud/pom.xml b/cloud/pom.xml
index 3ad433e..7d639de 100644
--- a/cloud/pom.xml
+++ b/cloud/pom.xml
@@ -24,7 +24,7 @@
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         <relativePath>../pom.xml</relativePath>
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diff --git a/config/pom.xml b/config/pom.xml
index 0b90d17..5d6908b 100644
--- a/config/pom.xml
+++ b/config/pom.xml
@@ -24,7 +24,7 @@
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         <relativePath>../pom.xml</relativePath>
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diff --git a/core/pom.xml b/core/pom.xml
index 2ab6198..7ca6b76 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -24,7 +24,7 @@
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+        <version>4.0.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/dosgi/pom.xml b/dosgi/pom.xml
index 71c3531..eaab06b 100644
--- a/dosgi/pom.xml
+++ b/dosgi/pom.xml
@@ -24,7 +24,7 @@
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         <relativePath>../pom.xml</relativePath>
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diff --git a/event/pom.xml b/event/pom.xml
index 3ad8b67..1388eab 100644
--- a/event/pom.xml
+++ b/event/pom.xml
@@ -24,7 +24,7 @@
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-        <version>4.0.0-SNAPSHOT</version>
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         <relativePath>../pom.xml</relativePath>
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diff --git a/features/pom.xml b/features/pom.xml
index f937a95..67b6066 100644
--- a/features/pom.xml
+++ b/features/pom.xml
@@ -24,7 +24,7 @@
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         <relativePath>../pom.xml</relativePath>
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diff --git a/hazelcast/pom.xml b/hazelcast/pom.xml
index 4ffd5a9..9bb330e 100644
--- a/hazelcast/pom.xml
+++ b/hazelcast/pom.xml
@@ -24,7 +24,7 @@
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         <relativePath>../pom.xml</relativePath>
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diff --git a/http/balancer/pom.xml b/http/balancer/pom.xml
index b426b1a..05cd18a 100644
--- a/http/balancer/pom.xml
+++ b/http/balancer/pom.xml
@@ -24,7 +24,7 @@
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         <relativePath>../pom.xml</relativePath>
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diff --git a/http/pom.xml b/http/pom.xml
index ee59c29..d2b9198 100644
--- a/http/pom.xml
+++ b/http/pom.xml
@@ -24,7 +24,7 @@
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diff --git a/itests/pom.xml b/itests/pom.xml
index 8ee1062..8f3003c 100644
--- a/itests/pom.xml
+++ b/itests/pom.xml
@@ -24,7 +24,7 @@
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diff --git a/kubernetes/pom.xml b/kubernetes/pom.xml
index c290f78..b675135 100644
--- a/kubernetes/pom.xml
+++ b/kubernetes/pom.xml
@@ -24,7 +24,7 @@
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diff --git a/obr/pom.xml b/obr/pom.xml
index 0fbbdae..741551e 100644
--- a/obr/pom.xml
+++ b/obr/pom.xml
@@ -24,7 +24,7 @@
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         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index 07e47fc..bf38332 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
 
     <groupId>org.apache.karaf</groupId>
     <artifactId>cellar</artifactId>
-    <version>4.0.0-SNAPSHOT</version>
+    <version>4.0.0</version>
     <packaging>pom</packaging>
     <name>Apache Karaf :: Cellar</name>
 
@@ -76,7 +76,7 @@
         <connection>scm:git:https://git-wip-us.apache.org/repos/asf/karaf-cellar.git</connection>
         <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/karaf-cellar.git</developerConnection>
         <url>https://git-wip-us.apache.org/repos/asf?p=karaf-cellar.git;a=summary</url>
-      <tag>HEAD</tag>
+      <tag>cellar-4.0.0</tag>
   </scm>
 
     <issueManagement>
diff --git a/samples/camel-hazelcast-app/consumer/pom.xml b/samples/camel-hazelcast-app/consumer/pom.xml
index 748d7e9..2959fc5 100644
--- a/samples/camel-hazelcast-app/consumer/pom.xml
+++ b/samples/camel-hazelcast-app/consumer/pom.xml
@@ -24,7 +24,7 @@
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-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/samples/camel-hazelcast-app/pom.xml b/samples/camel-hazelcast-app/pom.xml
index e500eef..ce5af14 100644
--- a/samples/camel-hazelcast-app/pom.xml
+++ b/samples/camel-hazelcast-app/pom.xml
@@ -24,7 +24,7 @@
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-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0</version>
         <relativePath>../pom.xml</relativePath>
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diff --git a/samples/camel-hazelcast-app/producer/pom.xml b/samples/camel-hazelcast-app/producer/pom.xml
index cb22514..eeffdf9 100644
--- a/samples/camel-hazelcast-app/producer/pom.xml
+++ b/samples/camel-hazelcast-app/producer/pom.xml
@@ -24,7 +24,7 @@
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+        <version>4.0.0</version>
         <relativePath>../pom.xml</relativePath>
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diff --git a/samples/dosgi-greeter/api/pom.xml b/samples/dosgi-greeter/api/pom.xml
index f301365..40a8d49 100644
--- a/samples/dosgi-greeter/api/pom.xml
+++ b/samples/dosgi-greeter/api/pom.xml
@@ -24,7 +24,7 @@
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-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/samples/dosgi-greeter/client/pom.xml b/samples/dosgi-greeter/client/pom.xml
index 30f6a8b..3bf5426 100644
--- a/samples/dosgi-greeter/client/pom.xml
+++ b/samples/dosgi-greeter/client/pom.xml
@@ -24,7 +24,7 @@
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+        <version>4.0.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/samples/dosgi-greeter/pom.xml b/samples/dosgi-greeter/pom.xml
index d1c2153..d7c4aaa 100644
--- a/samples/dosgi-greeter/pom.xml
+++ b/samples/dosgi-greeter/pom.xml
@@ -24,7 +24,7 @@
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+        <version>4.0.0</version>
         <relativePath>../pom.xml</relativePath>
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diff --git a/samples/dosgi-greeter/service/pom.xml b/samples/dosgi-greeter/service/pom.xml
index bd1d351..400db41 100644
--- a/samples/dosgi-greeter/service/pom.xml
+++ b/samples/dosgi-greeter/service/pom.xml
@@ -24,7 +24,7 @@
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-        <version>4.0.0-SNAPSHOT</version>
+        <version>4.0.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/samples/hazelcast-app/pom.xml b/samples/hazelcast-app/pom.xml
index 47d2ab1..5aa4542 100644
--- a/samples/hazelcast-app/pom.xml
+++ b/samples/hazelcast-app/pom.xml
@@ -24,7 +24,7 @@
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+        <version>4.0.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/samples/http-session-replication/pom.xml b/samples/http-session-replication/pom.xml
index 6c42940..cc4e3fd 100644
--- a/samples/http-session-replication/pom.xml
+++ b/samples/http-session-replication/pom.xml
@@ -24,7 +24,7 @@
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         <relativePath>../pom.xml</relativePath>
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diff --git a/samples/pom.xml b/samples/pom.xml
index 0f32356..4a7eeb3 100644
--- a/samples/pom.xml
+++ b/samples/pom.xml
@@ -24,7 +24,7 @@
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         <relativePath>../pom.xml</relativePath>
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diff --git a/shell/pom.xml b/shell/pom.xml
index 0f5b96c..132cb76 100644
--- a/shell/pom.xml
+++ b/shell/pom.xml
@@ -24,7 +24,7 @@
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diff --git a/utils/pom.xml b/utils/pom.xml
index 0ecbd6c..df061e9 100644
--- a/utils/pom.xml
+++ b/utils/pom.xml
@@ -24,7 +24,7 @@
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diff --git a/webconsole/pom.xml b/webconsole/pom.xml
index 02a229d..3572645 100644
--- a/webconsole/pom.xml
+++ b/webconsole/pom.xml
@@ -24,7 +24,7 @@
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+        <version>4.0.0</version>
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     <groupId>org.apache.karaf.cellar</groupId>