diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6927621..22696a8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,7 +47,7 @@ jobs:
         run: git diff > syscalls-bumper.diff
 
       - name: Upload diff tarball
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
         with:
           name: libs-diff
           path: ${{ github.workspace }}/libs/syscalls-bumper.diff