diff --git a/.github/workflows/test_latest_versions.yml b/.github/workflows/test_latest_versions.yml
index cfda3d6..3f4347b 100644
--- a/.github/workflows/test_latest_versions.yml
+++ b/.github/workflows/test_latest_versions.yml
@@ -20,7 +20,7 @@ jobs:
       max-parallel: 4
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
         include:
           - os: macos-latest
             python-version: "3.12"