diff --git a/pom.xml b/pom.xml
index 12433d4..157f9ef 100644
--- a/pom.xml
+++ b/pom.xml
@@ -232,6 +232,16 @@
             <scope>test</scope>
         </dependency>
         <dependency>
+            <groupId>org.codehaus.jackson</groupId>
+            <artifactId>jackson-mapper-asl</artifactId>
+            <version>1.8.8</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>1.6.1</version>
+        </dependency>
+        <dependency>
           <groupId>com.puppycrawl.tools</groupId>
           <artifactId>checkstyle</artifactId>
           <version>5.5</version>