diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 53af0de2d..be0a6cc66 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -22,7 +22,7 @@ jobs:
       contents: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./.github/actions/setup-project
       - uses: jwalton/gh-find-current-pr@v1
         id: findPr
@@ -79,12 +79,12 @@ jobs:
           # Maps tcp port 6379 on service container to the host
           - 6379:6379
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./.github/actions/setup-project
       - uses: jwalton/gh-find-current-pr@v1
         id: findPr
       - name: Clone API
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
          repository: GSA/notifications-api
          path: 'notifications-api'
@@ -140,7 +140,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: staging
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./.github/actions/setup-project
       - name: Validate NewRelic config
         env:
@@ -153,7 +153,7 @@ jobs:
   dependency-audits:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./.github/actions/setup-project
       - name: Create requirements.txt
         run: poetry export --without-hashes --format=requirements.txt > requirements.txt
@@ -166,7 +166,7 @@ jobs:
   static-scan:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./.github/actions/setup-project
       - name: Run scan
         run: poetry run bandit -r app/ --confidence-level medium
@@ -174,7 +174,7 @@ jobs:
   dynamic-scan:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./.github/actions/setup-project
       - name: Run server
         run: make run-flask &
@@ -193,7 +193,7 @@ jobs:
   a11y-scan:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./.github/actions/setup-project
       - name: Run server
         run: make run-flask &
diff --git a/.github/workflows/daily_checks.yml b/.github/workflows/daily_checks.yml
index babe60f44..a5e81a137 100644
--- a/.github/workflows/daily_checks.yml
+++ b/.github/workflows/daily_checks.yml
@@ -22,7 +22,7 @@ jobs:
   dependency-audits:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ./.github/actions/setup-project
     - name: Create requirements.txt
       run: poetry export --without-hashes --format=requirements.txt > requirements.txt
@@ -35,7 +35,7 @@ jobs:
   static-scan:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./.github/actions/setup-project
       - name: Run scan
         run: poetry run bandit -r app/ --confidence-level medium
@@ -43,7 +43,7 @@ jobs:
   dynamic-scan:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./.github/actions/setup-project
       - name: Run server
         run: make run-flask &
diff --git a/.github/workflows/deploy-demo.yml b/.github/workflows/deploy-demo.yml
index 66697bd57..dc725f157 100644
--- a/.github/workflows/deploy-demo.yml
+++ b/.github/workflows/deploy-demo.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: demo
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 2
 
diff --git a/.github/workflows/deploy-prod.yml b/.github/workflows/deploy-prod.yml
index dd7b6c875..d614bf309 100644
--- a/.github/workflows/deploy-prod.yml
+++ b/.github/workflows/deploy-prod.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: production
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 2
 
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index e08923d13..d74ba3133 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -17,7 +17,7 @@ jobs:
 
     environment: staging
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 2
 
diff --git a/.github/workflows/drift.yml b/.github/workflows/drift.yml
index 616e72689..5f495ceba 100644
--- a/.github/workflows/drift.yml
+++ b/.github/workflows/drift.yml
@@ -13,7 +13,7 @@ jobs:
     environment: staging
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Check for drift
         uses: dflook/terraform-check@v1
@@ -31,7 +31,7 @@ jobs:
     environment: demo
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: 'production'
 
@@ -51,7 +51,7 @@ jobs:
     environment: production
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: 'production'
 
diff --git a/.github/workflows/terraform-demo.yml b/.github/workflows/terraform-demo.yml
index 29b8fa397..765f9e53b 100644
--- a/.github/workflows/terraform-demo.yml
+++ b/.github/workflows/terraform-demo.yml
@@ -16,7 +16,7 @@ jobs:
     environment: demo
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Terraform format
         id: format
diff --git a/.github/workflows/terraform-production.yml b/.github/workflows/terraform-production.yml
index afb10dcfb..1988c5d95 100644
--- a/.github/workflows/terraform-production.yml
+++ b/.github/workflows/terraform-production.yml
@@ -16,7 +16,7 @@ jobs:
     environment: production
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Terraform format
         id: format
diff --git a/.github/workflows/terraform-staging.yml b/.github/workflows/terraform-staging.yml
index b1ac54f8f..1f86ee033 100644
--- a/.github/workflows/terraform-staging.yml
+++ b/.github/workflows/terraform-staging.yml
@@ -16,7 +16,7 @@ jobs:
     environment: staging
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Terraform format
         id: format