diff --git a/retro/visualization/pom.xml b/retro/visualization/pom.xml
index e63e020..5a4fee5 100644
--- a/retro/visualization/pom.xml
+++ b/retro/visualization/pom.xml
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-server</artifactId>
-            <version>9.1.2.v20140210</version>
+            <version>9.4.41.v20210516</version>
         </dependency>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>