diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b3f149b..2fba58b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,11 +14,11 @@ jobs:
     runs-on: ${{ matrix.os }}
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
     
     - name: Set up Homebrew
       id: set-up-homebrew
-      uses: Homebrew/actions/setup-homebrew@master
+      uses: Homebrew/actions/setup-homebrew@main
     
     - name: Tap local repository
       run: |