diff --git a/samples/client/petstore/akka-scala/pom.xml b/samples/client/petstore/akka-scala/pom.xml
index fa88207507e..d28314cc6f7 100644
--- a/samples/client/petstore/akka-scala/pom.xml
+++ b/samples/client/petstore/akka-scala/pom.xml
@@ -211,7 +211,7 @@
     </dependencies>
     <properties>
         <scala-version>2.10.4</scala-version>
-        <json4s-jackson-version>3.2.11</json4s-jackson-version>
+        <json4s-jackson-version>3.6.10</json4s-jackson-version>
         <json4s-ext-version>3.2.11</json4s-ext-version>
         <spray-version>1.3.1</spray-version>
         <akka-version>2.3.9</akka-version>