diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 4c23e99..37b9713 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -6,7 +6,7 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         ref: ${{ github.event.pull_request.head.ref }}
 
diff --git a/.github/workflows/push-terraform-module-version.yaml b/.github/workflows/push-terraform-module-version.yaml
index ae436eb..478fe24 100644
--- a/.github/workflows/push-terraform-module-version.yaml
+++ b/.github/workflows/push-terraform-module-version.yaml
@@ -7,7 +7,7 @@ jobs:
   push-terraform-module-version:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ministryofjustice/cloud-platform-environments/cmd/push-terraform-module-version@main
         env:
           API_URL: ${{ vars.TERRAFORM_MODULE_VERSIONS_API_URL }}
diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
index 9b21f30..56b48fe 100644
--- a/.github/workflows/unit.yml
+++ b/.github/workflows/unit.yml
@@ -11,7 +11,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Checkout
-              uses: actions/checkout@v2
+              uses: actions/checkout@v4
             - name: Setup Terraform
               uses: hashicorp/setup-terraform@v1
               with: