diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index c6f43be..b3ab539 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -105,7 +105,7 @@ jobs:
         if: ${{ matrix.dependencies == '' }}
 
       - name: Test source distribution
-        uses: actions-ext/python/test-sdist@ec67f82b3bd863948308a41ecb9e70547cbb19c7
+        uses: actions-ext/python/test-sdist@c8228d827a81b9f8c808825328af361c45461ba3
         with:
           module: ccflow
         if: ${{ matrix.dependencies == '' }}