diff --git a/client/oslc-client-base/pom.xml b/client/oslc-client-base/pom.xml
index f14133807..1dc4f9b15 100644
--- a/client/oslc-client-base/pom.xml
+++ b/client/oslc-client-base/pom.xml
@@ -6,11 +6,11 @@
   <parent>
     <groupId>org.eclipse.lyo.clients</groupId>
     <artifactId>clients-parent</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
   </parent>
 
   <artifactId>oslc-client-base</artifactId>
-  <version>5.0.0-SNAPSHOT</version>
+  <version>5.0.0.alpha3</version>
   <name>Lyo :: Client :: Base</name>
 
   <properties>
diff --git a/client/oslc-client/pom.xml b/client/oslc-client/pom.xml
index 628967a1c..8044d8b48 100644
--- a/client/oslc-client/pom.xml
+++ b/client/oslc-client/pom.xml
@@ -5,12 +5,12 @@
     <parent>
       <groupId>org.eclipse.lyo.clients</groupId>
       <artifactId>clients-parent</artifactId>
-      <version>5.0.0-SNAPSHOT</version>
+      <version>5.0.0.alpha3</version>
       <relativePath>../pom.xml</relativePath>
     </parent>
 
     <artifactId>oslc-client</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
     <name>Lyo :: Client :: OSLC JAX-RS 2.0 (new)</name>
     <description>Eclipse Lyo OSLC Java client based on OSLC4J and JAX-RS 2.0</description>
 
diff --git a/client/oslc-java-client-resources/pom.xml b/client/oslc-java-client-resources/pom.xml
index 4f7ac449a..233461c47 100644
--- a/client/oslc-java-client-resources/pom.xml
+++ b/client/oslc-java-client-resources/pom.xml
@@ -6,11 +6,11 @@
   <parent>
     <groupId>org.eclipse.lyo.clients</groupId>
     <artifactId>clients-parent</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
   </parent>
 
   <artifactId>oslc-java-client-resources</artifactId>
-  <version>5.0.0-SNAPSHOT</version>
+  <version>5.0.0.alpha3</version>
   <name>Lyo :: Client :: Resources (legacy)</name>
 
   <properties>
diff --git a/client/pom.xml b/client/pom.xml
index 5f2c08307..60d489b81 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -6,13 +6,13 @@
 
   <groupId>org.eclipse.lyo.clients</groupId>
   <artifactId>clients-parent</artifactId>
-  <version>5.0.0-SNAPSHOT</version>
+  <version>5.0.0.alpha3</version>
   <packaging>pom</packaging>
   <name>Lyo :: Client :: _Parent</name>
   <parent>
     <groupId>org.eclipse.lyo</groupId>
     <artifactId>lyo-parent</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/core/oslc-query/pom.xml b/core/oslc-query/pom.xml
index 8a793c27f..20cec3769 100644
--- a/core/oslc-query/pom.xml
+++ b/core/oslc-query/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.eclipse.lyo.oslc4j.core</groupId>
     <artifactId>oslc4j-core-build</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
     <relativePath>../oslc4j-core-build/pom.xml</relativePath>
   </parent>
 
diff --git a/core/oslc-trs/pom.xml b/core/oslc-trs/pom.xml
index 4aa665bf7..9d43b21c2 100644
--- a/core/oslc-trs/pom.xml
+++ b/core/oslc-trs/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.eclipse.lyo.oslc4j.core</groupId>
     <artifactId>oslc4j-core-build</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
     <relativePath>../oslc4j-core-build/pom.xml</relativePath>
   </parent>
 
diff --git a/core/oslc4j-core-build/pom.xml b/core/oslc4j-core-build/pom.xml
index ae1ff8fab..8ffe7846c 100644
--- a/core/oslc4j-core-build/pom.xml
+++ b/core/oslc4j-core-build/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>org.eclipse.lyo</groupId>
     <artifactId>lyo-parent</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/core/oslc4j-core/pom.xml b/core/oslc4j-core/pom.xml
index af9972eb1..e501e20b9 100644
--- a/core/oslc4j-core/pom.xml
+++ b/core/oslc4j-core/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.eclipse.lyo.oslc4j.core</groupId>
     <artifactId>oslc4j-core-build</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
     <relativePath>../oslc4j-core-build/pom.xml</relativePath>
   </parent>
   <artifactId>oslc4j-core</artifactId>
diff --git a/core/oslc4j-jena-provider/pom.xml b/core/oslc4j-jena-provider/pom.xml
index 760afb29b..a17b5f969 100644
--- a/core/oslc4j-jena-provider/pom.xml
+++ b/core/oslc4j-jena-provider/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.eclipse.lyo.oslc4j.core</groupId>
         <artifactId>oslc4j-core-build</artifactId>
-        <version>5.0.0-SNAPSHOT</version>
+        <version>5.0.0.alpha3</version>
         <relativePath>../oslc4j-core-build/pom.xml</relativePath>
     </parent>
     <artifactId>oslc4j-jena-provider</artifactId>
diff --git a/core/oslc4j-json4j-provider/pom.xml b/core/oslc4j-json4j-provider/pom.xml
index 46dd71022..46a60e4dd 100644
--- a/core/oslc4j-json4j-provider/pom.xml
+++ b/core/oslc4j-json4j-provider/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.eclipse.lyo.oslc4j.core</groupId>
         <artifactId>oslc4j-core-build</artifactId>
-        <version>5.0.0-SNAPSHOT</version>
+        <version>5.0.0.alpha3</version>
         <relativePath>../oslc4j-core-build/pom.xml</relativePath>
     </parent>
     <artifactId>oslc4j-json4j-provider</artifactId>
diff --git a/core/oslc4j-utils/pom.xml b/core/oslc4j-utils/pom.xml
index 297066dd8..826c6252d 100644
--- a/core/oslc4j-utils/pom.xml
+++ b/core/oslc4j-utils/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.eclipse.lyo.oslc4j.core</groupId>
         <artifactId>oslc4j-core-build</artifactId>
-        <version>5.0.0-SNAPSHOT</version>
+        <version>5.0.0.alpha3</version>
         <relativePath>../oslc4j-core-build/pom.xml</relativePath>
     </parent>
     <name>Lyo :: Core :: Utilities</name>
diff --git a/core/shacl/pom.xml b/core/shacl/pom.xml
index 9384d4970..9d12c579d 100644
--- a/core/shacl/pom.xml
+++ b/core/shacl/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.eclipse.lyo.oslc4j.core</groupId>
     <artifactId>oslc4j-core-build</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
     <relativePath>../oslc4j-core-build/pom.xml</relativePath>
   </parent>
 
diff --git a/domains/oslc-domains/pom.xml b/domains/oslc-domains/pom.xml
index 8974fe3bd..dd87deff4 100644
--- a/domains/oslc-domains/pom.xml
+++ b/domains/oslc-domains/pom.xml
@@ -9,14 +9,14 @@
     <parent>
         <groupId>org.eclipse.lyo</groupId>
         <artifactId>lyo-parent</artifactId>
-        <version>5.0.0-SNAPSHOT</version>
+        <version>5.0.0.alpha3</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <!-- End of user code
     -->
     <groupId>org.eclipse.lyo</groupId>
     <artifactId>oslc-domains</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
     <packaging>jar</packaging>
     <name>Lyo :: Domains</name>
     <properties>
diff --git a/pom.xml b/pom.xml
index 859d00530..da751ed3d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.eclipse.lyo</groupId>
   <artifactId>lyo-parent</artifactId>
-  <version>5.0.0-SNAPSHOT</version>
+  <version>5.0.0.alpha3</version>
   <packaging>pom</packaging>
   <name>Lyo :: _Parent</name>
 
diff --git a/server/oauth-consumer-store/pom.xml b/server/oauth-consumer-store/pom.xml
index ca8eac153..cb8864c49 100644
--- a/server/oauth-consumer-store/pom.xml
+++ b/server/oauth-consumer-store/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.eclipse.lyo.oslc4j.server</groupId>
         <artifactId>lyo-server-build</artifactId>
-        <version>5.0.0-SNAPSHOT</version>
+        <version>5.0.0.alpha3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <groupId>org.eclipse.lyo.server</groupId>
diff --git a/server/oauth-core/pom.xml b/server/oauth-core/pom.xml
index 369bdc524..c6d280e2f 100644
--- a/server/oauth-core/pom.xml
+++ b/server/oauth-core/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.eclipse.lyo.oslc4j.server</groupId>
         <artifactId>lyo-server-build</artifactId>
-        <version>5.0.0-SNAPSHOT</version>
+        <version>5.0.0.alpha3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <groupId>org.eclipse.lyo.server</groupId>
diff --git a/server/oauth-webapp/pom.xml b/server/oauth-webapp/pom.xml
index 279d1afec..7f4f3cd9a 100644
--- a/server/oauth-webapp/pom.xml
+++ b/server/oauth-webapp/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.eclipse.lyo.oslc4j.server</groupId>
         <artifactId>lyo-server-build</artifactId>
-        <version>5.0.0-SNAPSHOT</version>
+        <version>5.0.0.alpha3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <groupId>org.eclipse.lyo.server</groupId>
diff --git a/server/oslc-ui-model/pom.xml b/server/oslc-ui-model/pom.xml
index 9cc214bbf..15c937b73 100644
--- a/server/oslc-ui-model/pom.xml
+++ b/server/oslc-ui-model/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.eclipse.lyo.oslc4j.server</groupId>
         <artifactId>lyo-server-build</artifactId>
-        <version>5.0.0-SNAPSHOT</version>
+        <version>5.0.0.alpha3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <groupId>org.eclipse.lyo.server</groupId>
diff --git a/server/pom.xml b/server/pom.xml
index 4cbba0a43..f1f807c90 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>org.eclipse.lyo</groupId>
     <artifactId>lyo-parent</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/store/pom.xml b/store/pom.xml
index acc407f44..06c6a01ee 100644
--- a/store/pom.xml
+++ b/store/pom.xml
@@ -6,14 +6,14 @@
 
   <groupId>org.eclipse.lyo.store</groupId>
   <artifactId>store-parent</artifactId>
-  <version>5.0.0-SNAPSHOT</version>
+  <version>5.0.0.alpha3</version>
   <packaging>pom</packaging>
   <name>Lyo :: Store :: _Parent</name>
 
   <parent>
     <groupId>org.eclipse.lyo</groupId>
     <artifactId>lyo-parent</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
   </parent>
 
   <properties>
diff --git a/store/store-core/pom.xml b/store/store-core/pom.xml
index 8a0379211..5124e4428 100644
--- a/store/store-core/pom.xml
+++ b/store/store-core/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>org.eclipse.lyo.store</groupId>
     <artifactId>store-parent</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/trs/client/client-source-mqtt/pom.xml b/trs/client/client-source-mqtt/pom.xml
index a78f49f55..57fe4e707 100644
--- a/trs/client/client-source-mqtt/pom.xml
+++ b/trs/client/client-source-mqtt/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.eclipse.lyo.trs</groupId>
     <artifactId>trs-parent</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/trs/client/pom.xml b/trs/client/pom.xml
index f8c1e7129..1c95e5690 100644
--- a/trs/client/pom.xml
+++ b/trs/client/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>org.eclipse.lyo</groupId>
     <artifactId>lyo-parent</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/trs/client/trs-client/pom.xml b/trs/client/trs-client/pom.xml
index fcc462de9..a907483b0 100644
--- a/trs/client/trs-client/pom.xml
+++ b/trs/client/trs-client/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.eclipse.lyo.trs</groupId>
     <artifactId>trs-parent</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/trs/server/pom.xml b/trs/server/pom.xml
index b9e8e11b4..9d2f345d7 100644
--- a/trs/server/pom.xml
+++ b/trs/server/pom.xml
@@ -20,13 +20,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.eclipse.lyo.trs</groupId>
   <artifactId>trs-server</artifactId>
-  <version>5.0.0-SNAPSHOT</version>
+  <version>5.0.0.alpha3</version>
   <name>Lyo :: TRS :: Server</name>
 
   <parent>
     <groupId>org.eclipse.lyo</groupId>
     <artifactId>lyo-parent</artifactId>
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0.alpha3</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>