diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9a25258..4b7ca8d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -112,6 +112,7 @@ jobs:
       uses: actions/setup-python@v4
       with:
           python-version: '3.13'
+          update-environment: false
           architecture: 'arm64'
 
     - name: Set up Python virtual environment (Linux/macOS)