diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 37a6a296ee..44b7ea94bc 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -215,7 +215,7 @@ jobs:
     needs: [generate-affected-matrix]
     steps:
       - name: Call unit tests workflow
-        uses: ./.github/workflows/unit-test.yml@main
+        uses: ./.github/workflows/unit-test.yml@470b0975f9f3760ebfc5655c3f43ff745bd08b8b
         with:
           matrix: ${{ needs.generate-affected-matrix.outputs.matrix }}