diff --git a/pom.xml b/pom.xml
index 99ce08723..f126254b4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -92,45 +92,39 @@
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-transport-native-epoll</artifactId>
-  	<version>4.0.27.Final</version>
+  	<version>4.0.28.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-buffer</artifactId>
-  	<version>4.0.27.Final</version>
+  	<version>4.0.28.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-common</artifactId>
-  	<version>4.0.27.Final</version>
+  	<version>4.0.28.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-transport</artifactId>
-  	<version>4.0.27.Final</version>
+  	<version>4.0.28.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-handler</artifactId>
-  	<version>4.0.27.Final</version>
+  	<version>4.0.28.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-codec-http</artifactId>
-  	<version>4.0.27.Final</version>
+  	<version>4.0.28.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-codec</artifactId>
-  	<version>4.0.27.Final</version>
+  	<version>4.0.28.Final</version>
   </dependency>
   
-  <dependency>
-      <groupId>org.jmockit</groupId>
-      <artifactId>jmockit</artifactId>
-      <version>1.12</version>
-      <scope>test</scope>
-  </dependency>
   <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
@@ -146,7 +140,7 @@
   <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
-      <version>1.7.10</version>
+      <version>1.7.12</version>
       <scope>test</scope>
   </dependency>
 
@@ -159,18 +153,18 @@
   <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-api</artifactId>
-      <version>1.7.10</version>
+      <version>1.7.12</version>
   </dependency>
 
   <dependency>
   	<groupId>com.fasterxml.jackson.core</groupId>
   	<artifactId>jackson-core</artifactId>
-  	<version>2.4.4</version>
+  	<version>2.5.4</version>
   </dependency>
   <dependency>
   	<groupId>com.fasterxml.jackson.core</groupId>
   	<artifactId>jackson-databind</artifactId>
-  	<version>2.4.4</version>
+  	<version>2.5.4</version>
   </dependency>
  </dependencies>