diff --git a/broker/pom.xml b/broker/pom.xml
index 6e1bb8a5..2966ef49 100644
--- a/broker/pom.xml
+++ b/broker/pom.xml
@@ -6,7 +6,7 @@
         <relativePath>../</relativePath>
         <artifactId>moquette-parent</artifactId>
         <groupId>io.moquette</groupId>
-        <version>0.9-SNAPSHOT</version>
+        <version>0.9.1.sofia</version>
     </parent>
 
     <artifactId>moquette-broker</artifactId>
diff --git a/distribution/pom.xml b/distribution/pom.xml
index a5be74e5..f251dfec 100644
--- a/distribution/pom.xml
+++ b/distribution/pom.xml
@@ -6,7 +6,7 @@
         <!--<relativePath>../pom.xml</relativePath>-->
         <artifactId>moquette-parent</artifactId>
         <groupId>io.moquette</groupId>
-        <version>0.9-SNAPSHOT</version>
+        <version>0.9.1.sofia</version>
     </parent>
 
     <artifactId>distribution</artifactId>
diff --git a/embedding_moquette/pom.xml b/embedding_moquette/pom.xml
index c21ba231..da13a732 100644
--- a/embedding_moquette/pom.xml
+++ b/embedding_moquette/pom.xml
@@ -5,7 +5,7 @@
         <relativePath>../</relativePath>
         <artifactId>moquette-parent</artifactId>
         <groupId>io.moquette</groupId>
-        <version>0.9-SNAPSHOT</version>
+        <version>0.9.1.sofia</version>
     </parent>
 
     <artifactId>moquette-embedded-test</artifactId>
diff --git a/netty_parser/pom.xml b/netty_parser/pom.xml
index babc7432..c9bc6865 100644
--- a/netty_parser/pom.xml
+++ b/netty_parser/pom.xml
@@ -6,7 +6,7 @@
         <relativePath>../</relativePath>
         <artifactId>moquette-parent</artifactId>
         <groupId>io.moquette</groupId>
-        <version>0.9-SNAPSHOT</version>
+        <version>0.9.1.sofia</version>
     </parent>
 
     <artifactId>moquette-netty-parser</artifactId>
diff --git a/osgi_test/pom.xml b/osgi_test/pom.xml
index d3b8a44a..8735549d 100644
--- a/osgi_test/pom.xml
+++ b/osgi_test/pom.xml
@@ -5,7 +5,7 @@
         <relativePath>../</relativePath>
         <artifactId>moquette-parent</artifactId>
         <groupId>io.moquette</groupId>
-        <version>0.9-SNAPSHOT</version>
+        <version>0.9.1.sofia</version>
     </parent>
 
     <artifactId>moquette-osgi-test</artifactId>
diff --git a/perf/pom.xml b/perf/pom.xml
index 43d83582..e9665507 100644
--- a/perf/pom.xml
+++ b/perf/pom.xml
@@ -6,7 +6,7 @@
         <relativePath>../</relativePath>
         <artifactId>moquette-parent</artifactId>
         <groupId>io.moquette</groupId>
-        <version>0.9-SNAPSHOT</version>
+        <version>0.9.1.sofia</version>
     </parent>
 
     <artifactId>moquette-performance</artifactId>
diff --git a/pom.xml b/pom.xml
index 1ffe9415..edbc44c5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
     <artifactId>moquette-parent</artifactId>
 
     <packaging>pom</packaging>
-    <version>0.9-SNAPSHOT</version>
+    <version>0.9.1.sofia</version>
     <name>Moquette MQTT</name>
     <description>Moquette lightweight MQTT Broker</description>
     <inceptionYear>2011</inceptionYear>