diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..bb39342
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,13 @@
+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+  - package-ecosystem: "terraform"
+    directory: "/"
+    schedule:
+      interval: "monthly"
diff --git a/.github/workflows/dependencies-project.yml b/.github/workflows/dependencies-project.yml
new file mode 100644
index 0000000..b3c421c
--- /dev/null
+++ b/.github/workflows/dependencies-project.yml
@@ -0,0 +1,11 @@
+name: Add dependencies to Cloud Platform project
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 0 * * *'
+
+jobs:
+  add-dependabot-to-project:
+    uses: ministryofjustice/cloud-platform-github-workflows/.github/workflows/dependencies-project.yml@main
+    secrets: inherit
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index a489e42..31b40bd 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -6,12 +6,12 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         ref: ${{ github.event.pull_request.head.ref }}
 
     - name: Render terraform docs and push changes back to PR
-      uses: terraform-docs/gh-actions@v1.0.0
+      uses: terraform-docs/gh-actions@v1.2.0
       with:
         working-dir: .
         output-file: README.md
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 a46d5a7..75265d7 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: