diff --git a/pom.xml b/pom.xml
index d88bbcb8..6af98abc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-compress</artifactId>
-            <version>1.1</version>
+            <version>1.7</version>
         </dependency>
         <dependency>
             <groupId>org.jruby</groupId>
@@ -28,8 +28,8 @@
         </dependency>
         <dependency>
             <groupId>io.netty</groupId>
-            <artifactId>netty</artifactId>
-            <version>3.3.0.Final</version>
+            <artifactId>netty-all</artifactId>
+            <version>4.0.15.Final</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
@@ -38,4 +38,4 @@
             <version>4.11</version>
         </dependency>
     </dependencies>
-</project>
+</project>
\ No newline at end of file