diff --git a/pom.xml b/pom.xml
index 5a13a90..1b4a334 100644
--- a/pom.xml
+++ b/pom.xml
@@ -44,6 +44,12 @@
       <version>1.3-groovy-2.5</version>
       <scope>test</scope>
     </dependency>
+      <dependency>
+          <groupId>commons-codec</groupId>
+          <artifactId>commons-codec</artifactId>
+          <version>1.15</version>
+          <scope>test</scope>
+      </dependency>
   </dependencies>
   <build>
     <plugins>