diff --git a/ci/py311-latest.yaml b/ci/py311-latest.yaml
index 8e8f3cd..d92f8db 100644
--- a/ci/py311-latest.yaml
+++ b/ci/py311-latest.yaml
@@ -2,7 +2,7 @@ name: py311-latest
 channels:
   - conda-forge
 dependencies:
-  - python=3.12
+  - python=3.11
   - scipy
   # testing
   - pytest