diff --git a/action.yml b/action.yml
index c7c292b..f859cdc 100644
--- a/action.yml
+++ b/action.yml
@@ -1,8 +1,8 @@
 name: Run axe Accessibility Linter
 description: Lints all changed files using the axe DevTools Linter
 branding:
-  icon: 'check-circle'
-  color: 'blue'
+  icon: "check-circle"
+  color: "blue"
 inputs:
   github_token:
     description: Github Token
@@ -15,15 +15,15 @@ inputs:
     required: false
     default: https://axe-linter.deque.com
 runs:
-  using: 'composite'
+  using: "composite"
   steps:
-    - uses: actions/checkout@v2
-    - uses: mikefarah/yq@master
+    - uses: actions/checkout@v4
+    - uses: mikefarah/yq@f15500b20a1c991c8729870ba60a4dc3524b6a94 # Tag=v4
     - name: Get changed files
       id: changed_files
       env:
         GITHUB_TOKEN: ${{ inputs.github_token }}
-      uses: tj-actions/changed-files@v18.7
+      uses: tj-actions/changed-files@6b2903bdce6310cfbddd87c418f253cf29b2dec9 # Tag=v44
       with:
         files: |
           **/*.js