diff --git a/.github/workflows/build_release.yaml b/.github/workflows/build_release.yaml
index dda6873..5d5f0ca 100644
--- a/.github/workflows/build_release.yaml
+++ b/.github/workflows/build_release.yaml
@@ -15,7 +15,8 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: haskell/actions/setup@v1
-      	enable-stack: true
+        with:
+          enable-stack: true
 
       - name: build executable
         run: |