diff --git a/pom.xml b/pom.xml
index 62a4ce9..e2a190c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -85,37 +85,37 @@
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-buffer</artifactId>
-  	<version>4.1.44.Final</version>
+  	<version>4.1.50.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-common</artifactId>
-  	<version>4.1.44.Final</version>
+  	<version>4.1.50.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-transport</artifactId>
-       <version>4.1.44.Final</version>
+       <version>4.1.50.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-handler</artifactId>
-  	<version>4.1.44.Final</version>
+  	<version>4.1.50.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-codec-http</artifactId>
-  	<version>4.1.44.Final</version>
+  	<version>4.1.50.Final</version>
   </dependency>
   <dependency>
   	<groupId>io.netty</groupId>
   	<artifactId>netty-codec</artifactId>
-  	<version>4.1.44.Final</version>
+  	<version>4.1.50.Final</version>
   </dependency>
   <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-epoll</artifactId>
-        <version>4.1.44.Final</version>
+        <version>4.1.50.Final</version>
   </dependency>
   
   <dependency>
@@ -140,12 +140,12 @@
   <dependency>
   	<groupId>com.fasterxml.jackson.core</groupId>
   	<artifactId>jackson-core</artifactId>
-  	<version>2.10.1</version>
+  	<version>2.10.4</version>
   </dependency>
   <dependency>
   	<groupId>com.fasterxml.jackson.core</groupId>
   	<artifactId>jackson-databind</artifactId>
-  	<version>2.10.1</version>
+  	<version>2.10.4</version>
   </dependency>
 
 
@@ -172,13 +172,13 @@
     <dependency>
         <groupId>org.redisson</groupId>
         <artifactId>redisson</artifactId>
-        <version>3.12.0</version>
+        <version>3.13.1</version>
         <scope>provided</scope>
     </dependency>
     <dependency>
         <groupId>com.hazelcast</groupId>
         <artifactId>hazelcast-client</artifactId>
-        <version>3.4.3</version>
+        <version>3.12.7</version>
         <scope>provided</scope>
     </dependency>
  </dependencies>
@@ -206,20 +206,10 @@
            <version>2.5.3</version>
        </plugin>
 
-       <plugin>
-           <groupId>org.apache.maven.plugins</groupId>
-           <artifactId>maven-eclipse-plugin</artifactId>
-           <version>2.9</version>
-           <configuration>
-               <downloadSources>true</downloadSources>
-               <forceRecheck>true</forceRecheck>
-           </configuration>
-       </plugin>
-
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-pmd-plugin</artifactId>
-          <version>3.0.1</version>
+          <version>3.11.0</version>
           <executions>
             <execution>
               <phase>verify</phase>