diff --git a/requirements/zeromq.txt b/requirements/zeromq.txt
index eb4d796418..ffa1589043 100644
--- a/requirements/zeromq.txt
+++ b/requirements/zeromq.txt
@@ -1,6 +1,4 @@
 -r base.txt
 -r crypto.txt
 
-pyzmq<=20.0.0 ; python_version < "3.6"
-pyzmq>=17.0.0 ; python_version < "3.9"
-pyzmq>19.0.2 ; python_version >= "3.9"
+pyzmq
