diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d6dee6f..4f5d42b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
       max-parallel: 4
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.11"]
         platform: [ubuntu-latest]
 
     runs-on: ${{ matrix.platform }}