diff --git a/samples/client/petstore/akka-scala/pom.xml b/samples/client/petstore/akka-scala/pom.xml
index fcd419565d5..f532aabc11a 100644
--- a/samples/client/petstore/akka-scala/pom.xml
+++ b/samples/client/petstore/akka-scala/pom.xml
@@ -19,7 +19,7 @@
     <json4s.jackson.version>3.5.3</json4s.jackson.version>
     <json4s.ext.version>3.2.11</json4s.ext.version>
     <spray.version>1.3.1</spray.version>
-    <akka.version>2.5.8</akka.version>
+    <akka.version>2.5.16</akka.version>
     <joda.time.version>2.9.9</joda.time.version>
 
     <junit.version>4.12</junit.version>