diff --git a/.github/workflows/all-PRs.yaml b/.github/workflows/all-PRs.yaml
index 2aa06e89..da8d5921 100644
--- a/.github/workflows/all-PRs.yaml
+++ b/.github/workflows/all-PRs.yaml
@@ -24,7 +24,7 @@ jobs:
   test-backend-integration:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Make envfile
         uses: SpicyPizza/create-envfile@v1
         with:
@@ -54,7 +54,7 @@ jobs:
   test-client-unit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Build the client container
         run: docker-compose build client
       - name: Run client unit test suite
@@ -63,7 +63,7 @@ jobs:
 #   test-mvp-unit:
 #     runs-on: ubuntu-latest
 #     steps:
-#       - uses: actions/checkout@v2
+#       - uses: actions/checkout@v4
 #       - name: Build the client mvp container
 #         run: docker-compose build client-mvp-04
 #       - name: Run frontend unit test suite
diff --git a/.github/workflows/all-merges.yaml b/.github/workflows/all-merges.yaml
index a2b7e9d0..7eeeb047 100644
--- a/.github/workflows/all-merges.yaml
+++ b/.github/workflows/all-merges.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.pull_request.merged == true
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v1
       - name: Set up Docker Buildx
diff --git a/.github/workflows/aws-backend-deploy.yml b/.github/workflows/aws-backend-deploy.yml
index 277ad8e5..73f6a1fb 100644
--- a/.github/workflows/aws-backend-deploy.yml
+++ b/.github/workflows/aws-backend-deploy.yml
@@ -25,7 +25,7 @@ jobs:
     - name: Debug Action
       uses: hmarr/debug-action@v1.0.0
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         ref: ${{ github.event.inputs.ref }}
     - name: Set AWS Env & Image Tag per workflow
@@ -45,7 +45,7 @@ jobs:
     needs: [setup_env]
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         ref: ${{ github.event.inputs.ref }}
     - name: Configure AWS credentials
diff --git a/.github/workflows/pr-instructions.yml b/.github/workflows/pr-instructions.yml
index 7de24562..568e499f 100644
--- a/.github/workflows/pr-instructions.yml
+++ b/.github/workflows/pr-instructions.yml
@@ -9,7 +9,7 @@ jobs:
   Add-Pull-Request-Instructions:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Create the message to post
       - name: Create Instruction
diff --git a/.github/workflows/wr-pr-instructions.yml b/.github/workflows/wr-pr-instructions.yml
index 44c34bbd..06597855 100644
--- a/.github/workflows/wr-pr-instructions.yml
+++ b/.github/workflows/wr-pr-instructions.yml
@@ -44,7 +44,7 @@ jobs:
             const artifactJSON = JSON.parse(artifact);
             return artifactJSON
       
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       # Create the message to post
       - name: Post Comment
         uses: actions/github-script@v4