diff --git a/.github/workflows/append_release.yml b/.github/workflows/append_release.yml
index 08b4707d..a9f7d25a 100644
--- a/.github/workflows/append_release.yml
+++ b/.github/workflows/append_release.yml
@@ -11,7 +11,7 @@ jobs:
   build-and-append-to-release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/automated_release.yml b/.github/workflows/automated_release.yml
index 89d02913..db17c0d1 100644
--- a/.github/workflows/automated_release.yml
+++ b/.github/workflows/automated_release.yml
@@ -10,7 +10,7 @@ jobs:
   build-and-release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: nelonoel/branch-name@v1.0.1
 
diff --git a/.github/workflows/check_release_version.yml b/.github/workflows/check_release_version.yml
index 3f441c5f..217c379b 100644
--- a/.github/workflows/check_release_version.yml
+++ b/.github/workflows/check_release_version.yml
@@ -10,7 +10,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Get specific changed files
         id: changed-files-specific
diff --git a/.github/workflows/docker_ci.yml b/.github/workflows/docker_ci.yml
index 98f0fbbf..9c637be3 100644
--- a/.github/workflows/docker_ci.yml
+++ b/.github/workflows/docker_ci.yml
@@ -47,7 +47,7 @@ jobs:
           INTEGRATION_TEST_SEED: '/code/spec/data/integration/seed_for_unified_wh.rb'
           RAILS_ENV: test
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: nelonoel/branch-name@v1.0.1
       - name: Build the Docker image
         run: >-
diff --git a/.github/workflows/ruby_ci.yml b/.github/workflows/ruby_ci.yml
index 165da224..789afe4b 100644
--- a/.github/workflows/ruby_ci.yml
+++ b/.github/workflows/ruby_ci.yml
@@ -9,7 +9,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
@@ -39,7 +39,7 @@ jobs:
           MYSQL_ALLOW_EMPTY_PASSWORD: yes
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with: