diff --git a/.github/actions/stack-test/action.yml b/.github/actions/stack-test/action.yml
index bc6e650..eb30e95 100644
--- a/.github/actions/stack-test/action.yml
+++ b/.github/actions/stack-test/action.yml
@@ -7,16 +7,13 @@ runs:
       id: ghcup
       with:
         stack-hook: true
+        stack: latest
     - uses: actions/cache@v4
       with:
-        path: |
-          ${{ steps.ghcup.outputs.basedir }}
-          ~/.stack
+        path: ~/.stack
         key: stack-${{ runner.os }}-${{ hashFiles('stack.yaml') }}
         restore-keys: |
           stack-${{ runner.os }}-
           ${{ runner.os }}-
-    - run: ghcup install stack
-      shell: bash
     - run: stack test
       shell: bash
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6bac44c..702d03e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,6 @@ jobs:
 
   flake-check:
     name: flake check and push
-    if: github.event_name == 'push'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6