diff --git a/setup.py b/setup.py
index ba49abf..9cf0691 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 # requirements
 install_requires = [
     "authlib",  # FIXME: drop after next release of confluent-kafka with OIDC support
-    "confluent-kafka",
+    "confluent-kafka >= 1.6.1, != 2.1.0, != 2.1.1",
     "dataclasses ; python_version < '3.7'",
     "importlib-metadata ; python_version < '3.8'",
     "requests",  # FIXME: drop after next release of confluent-kafka with OIDC support