diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8722473..71d49fc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -77,4 +77,3 @@ jobs:
           FORCE_COLOR: 1
           GITHUB_TOKEN: ${{ steps.token.outputs.token }}
           HACKAGE_KEY: ${{ secrets.HACKAGE_UPLOAD_API_KEY }}
-          STACK_YAML: stack-lts-20.4.yaml