diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index e4dca91..e61587b 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@a3f3953ef26a519ab7b6a56b94d06fa1b31ab3f3
+        uses: actions-ext/python/test-sdist@ec67f82b3bd863948308a41ecb9e70547cbb19c7
         with:
           module: ccflow
         if: ${{ matrix.dependencies == '' }}