diff --git a/ci/environment.yml b/ci/environment.yml
index c2a0be4dd..f33e25aef 100644
--- a/ci/environment.yml
+++ b/ci/environment.yml
@@ -22,6 +22,7 @@ dependencies:
   - mypy
   - ruff
   - pandas-stubs
+  - pytest-asyncio
   - pytest-mypy
   - pytest-cov
   - pytest