diff --git a/nodes/voc/pretalx.py b/nodes/voc/pretalx.py
index b75ba3c..376a5e6 100644
--- a/nodes/voc/pretalx.py
+++ b/nodes/voc/pretalx.py
@@ -49,14 +49,15 @@ nodes['voc.pretalx'] = {
             },
         },
         'pretalx': {
-            'version': 'v2024.2.1',
+            # 2023.3.1 with some bugfixes
+            'version': '05e377398cecdd45d3ca6013040c5857bbe225d6',
             'domain': 'pretalx.c3voc.de',
             'mail_from': 'pretalx@c3voc.de',
             'administrators-from-group-id': 1,
             'plugins': {
                 'broadcast_tools': {
                     'repo': 'https://github.com/Kunsi/pretalx-plugin-broadcast-tools.git',
-                    'rev': 'main',
+                    'rev': '2.4.0',
                 },
                 'downstream': {
                     'repo': 'https://github.com/pretalx/pretalx-downstream.git',
@@ -81,6 +82,6 @@ nodes['voc.pretalx'] = {
         },
     },
     'os': 'debian',
-    'os_version': (11,),
+    'os_version': (12,),
     'pip_command': 'pip3',
 }