diff --git a/README.md b/README.md
index c3a5b9d9b0b0e32219320a2ac9f94d002ab6e8e5..bbd46cec0d6de42798245a5ad1baa152bfec7298 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 The ProB source code is distributed under the EPL license (http://www.eclipse.org/org/documents/epl-v10.html).
 (C) 2000-2021 Michael Leuschel and many others.
 
-For updates please visit the ProB website: https://www3.hhu.de/stups/prob/
+For updates please visit the ProB website: https://prob.hhu.de/w/
 
 ProB comes with ABSOLUTELY NO WARRANTY OF ANY KIND! This software is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY. The author(s) do not accept responsibility to anyone for the consequences of using it or for whether it serves any particular purpose or works at all. No warranty is made about the software or its performance.
 
diff --git a/de.bmotionstudio.gef.editor/src/de/bmotionstudio/gef/editor/handler/OpenWebsiteHandler.java b/de.bmotionstudio.gef.editor/src/de/bmotionstudio/gef/editor/handler/OpenWebsiteHandler.java
index 8bf210d51a64f111bd7ec6a73f277a020b998f2b..5a956e4483e387bb3cac5ba2cc6a3c379a50e6b0 100644
--- a/de.bmotionstudio.gef.editor/src/de/bmotionstudio/gef/editor/handler/OpenWebsiteHandler.java
+++ b/de.bmotionstudio.gef.editor/src/de/bmotionstudio/gef/editor/handler/OpenWebsiteHandler.java
@@ -19,7 +19,7 @@ import de.prob.logging.Logger;
 
 public class OpenWebsiteHandler extends AbstractHandler {
 
-	private static final String URL = "https://www3.hhu.de/stups/prob/index.php/BMotion_Studio";
+	private static final String URL = "https://prob.hhu.de/w/index.php/BMotion_Studio";
 
 	public Object execute(ExecutionEvent event) throws ExecutionException {
 		try {