diff --git a/broker/pom.xml b/broker/pom.xml
index cd84247e..b4b88411 100644
--- a/broker/pom.xml
+++ b/broker/pom.xml
@@ -74,37 +74,37 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-common</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
         </dependency>
         
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-buffer</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
         </dependency>
         
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-transport</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
         </dependency>
         
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-handler</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
         </dependency>
         
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-codec</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
         </dependency>
         
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-codec-http</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
         </dependency>
         
         <dependency>
diff --git a/bundle/pom.xml b/bundle/pom.xml
index 6784044f..345974bb 100644
--- a/bundle/pom.xml
+++ b/bundle/pom.xml
@@ -80,42 +80,42 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-common</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
             <scope>provided</scope>
         </dependency>
         
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-buffer</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
             <scope>provided</scope>
         </dependency>
         
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-transport</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
             <scope>provided</scope>
         </dependency>
         
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-handler</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
             <scope>provided</scope>
         </dependency>
         
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-codec</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
             <scope>provided</scope>
         </dependency>
         
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-codec-http</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
             <scope>provided</scope>
         </dependency>
 
diff --git a/netty_parser/pom.xml b/netty_parser/pom.xml
index 6500d2da..a668644c 100644
--- a/netty_parser/pom.xml
+++ b/netty_parser/pom.xml
@@ -26,34 +26,28 @@
             <version>${project.version}</version>
         </dependency>
         
-<!--        <dependency>
-            <groupId>io.netty</groupId>
-            <artifactId>netty-all</artifactId>
-            <version>4.0.8.Final</version>
-        </dependency>-->
-        
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-common</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
         </dependency>
         
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-buffer</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
         </dependency>
         
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-transport</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
         </dependency>
         
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-handler</artifactId>
-            <version>4.0.8.Final</version>
+            <version>${netty.version}</version>
         </dependency>
         
         <dependency>
diff --git a/pom.xml b/pom.xml
index 11c90421..e4b3ac89 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,8 @@
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <properties>
-        <mina-version>2.0.7</mina-version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <netty.version>4.0.8.Final</netty.version>
     </properties>
     
     <groupId>org.eclipse.moquette</groupId>