diff --git a/environment-dev.yml b/environment-dev.yml
index 10b6092e..e4adecac 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -8,7 +8,7 @@ dependencies:
   - cxx-compiler=1.7.0
   # Host dependencies
   - xeus>=5.0.0
-  - xeus-zmq>=3.0,<4.0
+  - xeus-zmq<4.0
   - nlohmann_json=3.11.3
   - CppInterOp
   - pugixml