diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1eb19e1..2acae4e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -32,11 +32,7 @@ jobs:
         uses: Homebrew/actions/setup-homebrew@master
 
       - name: Test formula
-        shell: bash
-        run: |
-          mkdir -p $(brew --repo)/Library/Taps/buty4649/homebrew-tap
-          cp -Rp . $(brew --repo)/Library/Taps/buty4649/homebrew-tap
-          brew install buty4649/homebrew-tap/rf
+        run: brew install buty4649/homebrew-tap/rf
 
       - name: Test rf
         run: rf --version