diff --git a/.github/workflows/upstream.yml b/.github/workflows/upstream.yml
index ef3ccfa2..b3e2a5b4 100644
--- a/.github/workflows/upstream.yml
+++ b/.github/workflows/upstream.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.11", "3.12"]
+        python-version: ["3.11"]
 
     steps:
     - uses: actions/checkout@v2