diff --git a/pom.xml b/pom.xml
index a5a8d07..16edeeb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -122,19 +122,27 @@
       <scope>provided</scope>
     </dependency>
     <dependency>
-      <groupId>com.rabbitmq</groupId>
-      <artifactId>amqp-client</artifactId>
-      <version>3.2.2</version>
-    </dependency>
-    <dependency>
       <groupId>com.google.code.gson</groupId>
       <artifactId>gson</artifactId>
       <version>2.2.4</version>
+      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-lang3</artifactId>
       <version>3.2.1</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>commons-codec</groupId>
+      <artifactId>commons-codec</artifactId>
+      <version>1.9</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.rabbitmq</groupId>
+      <artifactId>amqp-client</artifactId>
+      <version>3.2.2</version>
     </dependency>
   </dependencies>