diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f64bf69..d9e3d6f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
 
     - name: Upload reports
       if: failure()
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
       with:
         name: reports
         path: |