diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 37a257f7f..6a59e2a89 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -275,15 +275,15 @@ jobs:
       - name: Compress
         run: |
           cd engine
-          tar --use-compress-program=zstd -hcf ../zen.source.tar.gz *
+          tar --use-compress-program=zstd -hcf ../zen.source.tar.zst *
           cd ..
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with:
           retention-days: 5
-          name: zen.source.tar.gz
-          path: ./zen.source.tar.gz
+          name: zen.source.tar.zst
+          path: ./zen.source.tar.zst
 
   windows-step-1:
     name: Windows build step 1 (PGO build)
@@ -489,7 +489,7 @@ jobs:
         uses: marvinpinto/action-automatic-releases@master
         with:
           files: |
-            zen.source.tar.gz
+            zen.source.tar.zst
             zen.linux-x86_64.tar.bz2
             zen.linux-aarch64.tar.bz2
             zen-x86_64.AppImage
@@ -525,7 +525,7 @@ jobs:
           prerelease: false
           title: 'Release build - ${{ needs.build-data.outputs.version }} (${{ needs.build-data.outputs.build_date }})'
           files: |
-            zen.source.tar.gz
+            zen.source.tar.zst
             zen.linux-x86_64.tar.bz2
             zen.linux-aarch64.tar.bz2
             zen-x86_64.AppImage