diff --git a/environment-dev.yml b/environment-dev.yml
index e4285d7c..10b6092e 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -10,7 +10,7 @@ dependencies:
   - xeus>=5.0.0
   - xeus-zmq>=3.0,<4.0
   - nlohmann_json=3.11.3
-  - CppInterOp>=1.5.0
+  - CppInterOp
   - pugixml
   - cpp-argparse>=3.0,<4.0
   # Test dependencies
diff --git a/environment-wasm-host.yml b/environment-wasm-host.yml
index da8170f5..896ea48d 100644
--- a/environment-wasm-host.yml
+++ b/environment-wasm-host.yml
@@ -6,6 +6,6 @@ dependencies:
   - nlohmann_json
   - xeus-lite
   - xeus
-  - CppInterOp>=1.5.0
+  - CppInterOp
   - cpp-argparse
   - pugixml