diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e29b9856..51620571 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,9 +21,10 @@ jobs:
     runs-on: macos-11
     steps:
     - run: ls /Applications/Xcode*
-    - run: gtar --zstd -cf MacOSX.sdk.tar.zst $SDK_PATH
+    - run: cp -R $SDK_PATH .
       env:
         SDK_PATH: /Applications/Xcode_13.2.1.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk
+    - run: gtar --zstd -cf MacOSX.sdk.tar.zst MacOSX.sdk
     - run: gh release upload $TAG MacOSX.sdk.tar.zst -R cloudpeers/xcross
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -33,9 +34,10 @@ jobs:
     runs-on: macos-11
     steps:
     - run: ls /Applications/Xcode*
-    - run: gtar --zstd -cf iPhoneOS.sdk.tar.zst $SDK_PATH
+    - run: cp -R $SDK_PATH .
       env:
         SDK_PATH: /Applications/Xcode_13.2.1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk
+    - run: gtar --zstd -cf iPhoneOS.sdk.tar.zst iPhoneOS.sdk
     - run: gh release upload $TAG iPhoneOS.sdk.tar.zst -R cloudpeers/xcross
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}