diff --git a/observer-pattern-and-websocket/pom.xml b/observer-pattern-and-websocket/pom.xml
index b7e26e0..6bb9c6d 100644
--- a/observer-pattern-and-websocket/pom.xml
+++ b/observer-pattern-and-websocket/pom.xml
@@ -14,7 +14,7 @@
 		<dependency>
 			<groupId>org.eclipse.jetty</groupId>
 			<artifactId>jetty-server</artifactId>
-			<version>9.4.22.v20191022</version>
+			<version>10.0.10</version>
 		</dependency>
 		<dependency>
 			<groupId>org.eclipse.jetty.websocket</groupId>