diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 15e3def..5f2d4a6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
       - name: Build the Docker image used to run application build
         run: ./infra/build/build.sh ${{ secrets.ID_RSA_CONTENTS_BASE64 }} ${{ secrets.DOCKER_CONFIG_CONTENTS_BASE64 }}
         env:
@@ -23,6 +23,6 @@ jobs:
     runs-on: ubuntu-latest
     needs: build
     steps:
-    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+    - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
     - name: Build and deploy
       run: ./build.sh deploy ${{ secrets.ID_RSA_CONTENTS_BASE64 }} ${{ secrets.AWS_CREDENTIALS_CONTENTS_BASE64 }} ${{ secrets.MAINKEYPAIR_CONTENTS_BASE64 }}
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 2f88873..19b8c9a 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -9,7 +9,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
       - name: Build and push image which app build runs on
         run: ./infra/build/build.sh ${{ secrets.ID_RSA_CONTENTS_BASE64 }} ${{ secrets.DOCKER_CONFIG_CONTENTS_BASE64 }}
         env:
@@ -20,6 +20,6 @@ jobs:
     runs-on: ubuntu-latest
     needs: build
     steps:
-    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+    - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
     - name: Build and test
       run: ./build.sh test ${{ secrets.ID_RSA_CONTENTS_BASE64 }} ${{ secrets.AWS_CREDENTIALS_CONTENTS_BASE64 }} ${{ secrets.MAINKEYPAIR_CONTENTS_BASE64 }}