diff --git a/nodes/rx300.py b/nodes/rx300.py
index c1be4e5..b959f0b 100644
--- a/nodes/rx300.py
+++ b/nodes/rx300.py
@@ -250,8 +250,8 @@ nodes['rx300'] = {
             },
         },
         'mautrix-whatsapp': {
-            'version': 'v0.3.1',
-            'sha1': '761eb892650fa943e7c4fea6f285ca37ba1e5113',
+            'version': 'v0.4.0',
+            'sha1': 'fb6cf4ad83b20482e7fa4caaac45709f222b3483',
             'homeserver': {
                 'domain': 'franzi.business',
                 'url': 'https://matrix.franzi.business',