diff --git a/.github/workflows/add-preview.yml b/.github/workflows/add-preview.yml
index f778227..53f66ae 100644
--- a/.github/workflows/add-preview.yml
+++ b/.github/workflows/add-preview.yml
@@ -14,7 +14,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
 
       # Runs a single command using the runners shell
       - name: setup node
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index d0f8fb0..a56d56e 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index c5bd5e7..409f0e3 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:
           submodules: true
       - name: Setup node/npm