diff --git a/setup.py b/setup.py
index dfe455e..4377e45 100644
--- a/setup.py
+++ b/setup.py
@@ -53,7 +53,7 @@
     install_requires=[
         "aiokafka==0.6.0",
         "requests==2.25.*",
-        "python-keystoneclient==3.15.*",
+        "python-keystoneclient==4.2.0",
         "six",
         "pyyaml>=5.1.2",
         "prometheus_client==0.4.*",