diff --git a/pom.xml b/pom.xml
index 7f9cefc94..317cd4c6c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -72,7 +72,7 @@
 
 		<!-- test dependencies -->
 		<logback.version>1.2.3</logback.version>
-		<netty.version>4.1.27.Final</netty.version>
+		<netty.version>4.1.52.Final</netty.version>
 		<hamcrest.library.version>1.3</hamcrest.library.version>
 		<hamcrest.jpa-matchers>1.8</hamcrest.jpa-matchers>
 		<lambdaj.version>2.3.3</lambdaj.version>