diff --git a/thunder-core/pom.xml b/thunder-core/pom.xml
index 2db1ef9b..9c9df433 100644
--- a/thunder-core/pom.xml
+++ b/thunder-core/pom.xml
@@ -151,7 +151,7 @@
         <dependency>
             <groupId>org.eclipse.jetty.websocket</groupId>
             <artifactId>websocket-client</artifactId>
-            <version>9.3.2.v20150730</version>
+            <version>9.4.44.v20210927</version>
         </dependency>
         <dependency>
             <groupId>org.bouncycastle</groupId>