diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb465f35e..6ad0ae0b1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -43,6 +43,7 @@
 - Install build dependencies for `pymssql` on Python 3.8 as there are no wheels available for this Python version (PR#2542 by Sebastian Wagner).
 - Install `psql` explicitly for workflow support on other plattforms such as act (PR#2542 by Sebastian Wagner).
 - Create intelmq user & group if running privileged to allow dropping privileges (PR#2542 by Sebastian Wagner).
+- `intelmq.tests.lib.test_pipeline.TestAmqp.test_acknowledge`: Also skip on Python 3.11 besides on 3.8 when running on CI (PR#2542 by Sebastian Wagner).
 
 ### Tools
 
diff --git a/intelmq/tests/lib/test_pipeline.py b/intelmq/tests/lib/test_pipeline.py
index 39f75eb0f..51c460668 100644
--- a/intelmq/tests/lib/test_pipeline.py
+++ b/intelmq/tests/lib/test_pipeline.py
@@ -266,8 +266,8 @@ def test_reject(self):
         self.pipe.reject_message()
         self.assertEqual(SAMPLES['normal'][1], self.pipe.receive())
 
-    @unittest.skipIf(os.getenv('CI') == 'true' and sys.version_info[:2] == (3, 8),
-                     'Fails on CI with Python 3.8')
+    @unittest.skipIf(os.getenv('CI') == 'true' and sys.version_info[:2] in ((3, 8), (3, 11)),
+                     'Fails on CI with Python 3.8 and 3.11')
     def test_acknowledge(self):
         self.pipe.send(SAMPLES['normal'][0])
         self.pipe.receive()