diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a1374c3..94046d0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -33,7 +33,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
     runs-on: "ubuntu-latest"
     steps:
       - uses: actions/checkout@v4