diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index e4a0103..8d189f2 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -39,7 +39,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 4908bd2..c6b4ca8 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -16,7 +16,7 @@ jobs:
     name: Build and Deploy
     steps:
       - name: Check out Git repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Build and Publish with Wrangler
         uses: cloudflare/wrangler-action@2.0.0
         with:
diff --git a/.github/workflows/dev_build.yml b/.github/workflows/dev_build.yml
index 54996b9..1fef8da 100644
--- a/.github/workflows/dev_build.yml
+++ b/.github/workflows/dev_build.yml
@@ -10,7 +10,7 @@ jobs:
     name: Build dev environment
     steps:
       - name: Check out Git repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Build with Wrangler
         uses: cloudflare/wrangler-action@2.0.0
         with: