diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
index f4dc9ad6f1..867e8920e8 100644
--- a/.github/workflows/dev.yml
+++ b/.github/workflows/dev.yml
@@ -42,7 +42,7 @@ jobs:
 
       - uses: actions/setup-python@v7
         with:
-          python-version: '3.x'
+          python-version: '3.12'
       - name: pre-commit (cache)
         uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with: