diff --git a/.github/workflows/provider-release.yml b/.github/workflows/provider-release.yml
index 67a2b97..36c56b6 100644
--- a/.github/workflows/provider-release.yml
+++ b/.github/workflows/provider-release.yml
@@ -55,7 +55,13 @@ jobs:
             cp "target/$TARGET/release/$BINARY" "dist/$BINARY"
           fi
           tar -czf "opy-provider-$VERSION-$TARGET.tar.gz" -C dist "$BINARY"
-          sha256sum "opy-provider-$VERSION-$TARGET.tar.gz" > "opy-provider-$VERSION-$TARGET.tar.gz.sha256"
+          ARCHIVE="opy-provider-$VERSION-$TARGET.tar.gz"
+          CHECKSUM="${ARCHIVE}.sha256"
+          if command -v sha256sum >/dev/null 2>&1; then
+            sha256sum "$ARCHIVE" > "$CHECKSUM"
+          else
+            shasum -a 256 "$ARCHIVE" > "$CHECKSUM"
+          fi
 
       - name: Stage provider artifact and checksum
         uses: actions/upload-artifact@v4