diff --git a/setup.cfg b/setup.cfg
index 1ee92de873..1595f1839b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -40,7 +40,7 @@ install_requires =
     Werkzeug >=2.0.0
     requests >=2.23.0
     msgpack >=0.6.2
-    pyzmq >=22.2.1
+    pyzmq >=22.2.1, <23.0.0
     geventhttpclient >=1.5.1
     ConfigArgParse >=1.0
     psutil >=5.6.7