diff --git a/pom.xml b/pom.xml
index 0e151ef..c7dfc76 100644
--- a/pom.xml
+++ b/pom.xml
@@ -98,37 +98,37 @@
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-buffer</artifactId>
-  	<version>4.1.0.CR3</version>
+  	<version>4.1.0.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-common</artifactId>
-  	<version>4.1.0.CR3</version>
+  	<version>4.1.0.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-transport</artifactId>
-  	<version>4.1.0.CR3</version>
+  	<version>4.1.0.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-handler</artifactId>
-  	<version>4.1.0.CR3</version>
+  	<version>4.1.0.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-codec-http</artifactId>
-  	<version>4.1.0.CR3</version>
+  	<version>4.1.0.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-codec</artifactId>
-  	<version>4.1.0.CR3</version>
+  	<version>4.1.0.Final</version>
   </dependency>
   <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-epoll</artifactId>
-        <version>4.1.0.CR3</version>
+        <version>4.1.0.Final</version>
   </dependency>
   
   <dependency>
@@ -147,18 +147,18 @@
   <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-api</artifactId>
-      <version>1.7.12</version>
+      <version>1.7.21</version>
   </dependency>
 
   <dependency>
   	<groupId>com.fasterxml.jackson.core</groupId>
   	<artifactId>jackson-core</artifactId>
-  	<version>2.6.3</version>
+  	<version>2.7.4</version>
   </dependency>
   <dependency>
   	<groupId>com.fasterxml.jackson.core</groupId>
   	<artifactId>jackson-databind</artifactId>
-  	<version>2.6.3</version>
+  	<version>2.7.4</version>
   </dependency>
 
 
@@ -185,7 +185,7 @@
     <dependency>
         <groupId>org.redisson</groupId>
         <artifactId>redisson</artifactId>
-        <version>2.2.5</version>
+        <version>2.2.14</version>
         <scope>provided</scope>
     </dependency>
     <dependency>