diff --git a/.github/workflows/pytest.yaml b/.github/workflows/pytest.yaml
index 5ed6064d6..841799438 100644
--- a/.github/workflows/pytest.yaml
+++ b/.github/workflows/pytest.yaml
@@ -28,7 +28,8 @@ jobs:
         - "3.8"  # Earliest version supported by ixmp
         - "3.9"
         - "3.10"
-        - "3.11"  # Latest supported by ixmp
+        - "3.11"
+        - "3.12"  # Latest supported by ixmp
 
         # commented: force a specific version of pandas, for e.g. pre-release
         # testing