ga: whitespace
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b3a70b8..358e738 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,7 +21,7 @@
         with:
           setupOnly: true
           vcpkgTriplet: x64-windows
-	  vcpkgGitCommitId: 5568f110b509a9fd90711978a7cb76bae75bb092
+          vcpkgGitCommitId: 5568f110b509a9fd90711978a7cb76bae75bb092
       - name: install dependencies (Windows)
         if: ${{ runner.os == 'Windows' }}
         run: |