diff --git a/samples/client/petstore/akka-scala/pom.xml b/samples/client/petstore/akka-scala/pom.xml
index b625621f58c..af37db6dbab 100644
--- a/samples/client/petstore/akka-scala/pom.xml
+++ b/samples/client/petstore/akka-scala/pom.xml
@@ -217,7 +217,7 @@
         <akka-version>2.3.9</akka-version>
         <joda-version>1.2</joda-version>
         <joda-time-version>2.2</joda-time-version>
-        <swagger-core-version>1.5.8</swagger-core-version>
+        <swagger-core-version>1.5.9</swagger-core-version>
         <maven-plugin.version>1.0.0</maven-plugin.version>
 
         <junit-version>4.8.1</junit-version>