diff --git a/pom.xml b/pom.xml
index c071f381..0f50641d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -74,7 +74,7 @@
         <jsonassert.version>1.5.3</jsonassert.version>
 
         <!-- Overrides for transitive dependencies to address vulnerabilities -->
-        <netty.version>4.1.133.Final</netty.version>
+        <netty.version>4.2.13.Final</netty.version>
         <rhino.version>1.9.1</rhino.version>
         <xerces.version>2.12.2</xerces.version>
         <org-json.version>20180130</org-json.version>