diff --git a/pom.xml b/pom.xml
index fc31edeb..2475a7cd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -104,7 +104,7 @@
         <mock-server.version>5.11.2</mock-server.version>
         <sleepycat.version>18.3.12</sleepycat.version>
         <rhino.version>1.7.13</rhino.version>
-        <netty.version>4.1.54.Final</netty.version>
+        <netty.version>4.1.55.Final</netty.version>
         <httpclient.version>4.5.13</httpclient.version>
         <woodstox.version>6.2.3</woodstox.version>
         <xmlapi.version>1.4.01</xmlapi.version>