diff --git a/.github/workflows/deploy-tap.yml b/.github/workflows/deploy-tap.yml
index e83eb5534d..9fbfd2e4c2 100644
--- a/.github/workflows/deploy-tap.yml
+++ b/.github/workflows/deploy-tap.yml
@@ -71,13 +71,14 @@ jobs:
           /usr/bin/sed -i '' "s@^  sha256 \".*\"@  sha256 \"${{ steps.meta.outputs.sha256 }}\"@" packaging/homebrew/mfc.rb
 
       - name: Setup Homebrew
-        uses: Homebrew/actions/setup-homebrew@master
+        uses: Homebrew/actions/setup-homebrew@main
 
       - name: Audit/style formula before pushing
         run: |
           brew style packaging/homebrew/mfc.rb
           # Create temporary tap to audit the formula
           brew tap-new mfc/local
+          brew trust mfc/local
           cp packaging/homebrew/mfc.rb "$(brew --repository)/Library/Taps/mfc/homebrew-local/Formula/mfc.rb"
           brew audit --online --strict --new --except=homepage mfc/local/mfc || brew audit --online mfc/local/mfc
           brew untap mfc/local
diff --git a/.github/workflows/homebrew.yml b/.github/workflows/homebrew.yml
index df17d218b0..e6e91a4c18 100644
--- a/.github/workflows/homebrew.yml
+++ b/.github/workflows/homebrew.yml
@@ -26,7 +26,7 @@ jobs:
         uses: actions/checkout@v5
       
       - name: Set up Homebrew
-        uses: Homebrew/actions/setup-homebrew@master
+        uses: Homebrew/actions/setup-homebrew@main
       
       - name: Validate formula syntax with brew style
         run: |
@@ -41,6 +41,7 @@ jobs:
           
           echo "Creating temporary local tap..."
           brew tap-new mflowcode/test
+          brew trust mflowcode/test
           cp packaging/homebrew/mfc.rb $(brew --repository)/Library/Taps/mflowcode/homebrew-test/Formula/mfc.rb
           
           echo "Running brew audit (online checks)..."
@@ -143,6 +144,7 @@ jobs:
         run: |
           echo "Creating temporary local tap..."
           brew tap-new mflowcode/test
+          brew trust mflowcode/test
           
           echo "Copying formula to tap..."
           cp packaging/homebrew/mfc.rb $(brew --repository)/Library/Taps/mflowcode/homebrew-test/Formula/mfc.rb
diff --git a/packaging/homebrew/mfc.rb b/packaging/homebrew/mfc.rb
index 74465a805d..d743aac65b 100644
--- a/packaging/homebrew/mfc.rb
+++ b/packaging/homebrew/mfc.rb
@@ -279,9 +279,9 @@ def _homebrew_is_buildable(self):
     bin.write_exec_script libexec/"mfc"
   end
 
-  def post_install
+  post_install_steps do
     # Fix executable permissions for libexec wrapper
-    (libexec/"mfc").chmod 0755
+    set_permissions "mfc", "0755", base: :libexec
   end
 
   # Override to skip relocation checks for Python C extensions in venv