diff --git a/pom.xml b/pom.xml
index 1833d39..251112f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -42,7 +42,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.107.Final</version>
+            <version>4.1.84.Final</version>
         </dependency>
         <dependency>
             <groupId>joda-time</groupId>
@@ -62,7 +62,7 @@
         <dependency>
             <groupId>com.datastax.cassandra</groupId>
             <artifactId>cassandra-driver-core</artifactId>
-            <version>3.1.0</version>
+            <version>3.11.5</version>
         </dependency>
         <dependency>
             <groupId>net.jpountz.lz4</groupId>