diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index da14201..34da9c3 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -1,15 +1,16 @@
 name: brew pr-pull
+
 on:
   pull_request_target:
     types:
       - labeled
+
 jobs:
   pr-pull:
     if: contains(github.event.pull_request.labels.*.name, 'pr-pull')
     runs-on: ubuntu-22.04
     permissions:
       contents: write
-      packages: none
       pull-requests: write
     steps:
       - name: Set up Homebrew
@@ -21,10 +22,8 @@ jobs:
       - name: Pull bottles
         env:
           HOMEBREW_GITHUB_API_TOKEN: ${{ github.token }}
-          HOMEBREW_GITHUB_PACKAGES_TOKEN: ${{ github.token }}
-          HOMEBREW_GITHUB_PACKAGES_USER: ${{ github.actor }}
           PULL_REQUEST: ${{ github.event.pull_request.number }}
-        run: brew pr-pull --debug --tap=$GITHUB_REPOSITORY $PULL_REQUEST
+        run: brew pr-pull --debug --tap="$GITHUB_REPOSITORY" "$PULL_REQUEST"
 
       - name: Push commits
         uses: Homebrew/actions/git-try-push@master
@@ -36,4 +35,4 @@ jobs:
         if: github.event.pull_request.head.repo.fork == false
         env:
           BRANCH: ${{ github.event.pull_request.head.ref }}
-        run: git push --delete origin $BRANCH
+        run: git push --delete origin "$BRANCH"
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 53a8ad1..6792043 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,9 +1,11 @@
 name: brew test-bot
+
 on:
   push:
     branches:
       - main
   pull_request:
+
 jobs:
   test-bot:
     strategy:
@@ -16,12 +18,11 @@ jobs:
         uses: Homebrew/actions/setup-homebrew@master
 
       - name: Cache Homebrew Bundler RubyGems
-        id: cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.set-up-homebrew.outputs.gems-path }}
-          key: ${{ runner.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
-          restore-keys: ${{ runner.os }}-rubygems-
+          key: ${{ matrix.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
+          restore-keys: ${{ matrix.os }}-rubygems-
 
       - run: brew test-bot --only-cleanup-before
 
@@ -34,7 +35,7 @@ jobs:
 
       - name: Upload bottles as artifact
         if: always() && github.event_name == 'pull_request'
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
-          name: bottles
+          name: bottles_${{ matrix.os }}
           path: '*.bottle.*'