diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 5d5f99cc5addb4..71b6c6d24a4781 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version: "16"
diff --git a/.github/workflows/UpdateCodeowners.yml b/.github/workflows/UpdateCodeowners.yml
index 63519983c3dc2a..55d4dcfe9e276c 100644
--- a/.github/workflows/UpdateCodeowners.yml
+++ b/.github/workflows/UpdateCodeowners.yml
@@ -21,7 +21,7 @@ jobs:
     if: github.repository == 'DefinitelyTyped/DefinitelyTyped'
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
             fetch-depth: 0
 
diff --git a/.github/workflows/ghostbuster.yml b/.github/workflows/ghostbuster.yml
index 1f7d5363d7e6bd..76b4c914313b97 100644
--- a/.github/workflows/ghostbuster.yml
+++ b/.github/workflows/ghostbuster.yml
@@ -23,7 +23,7 @@ jobs:
     if: github.repository == 'DefinitelyTyped/DefinitelyTyped'
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/lint-md.yml b/.github/workflows/lint-md.yml
index 293c39b73044a6..f39f99842af637 100644
--- a/.github/workflows/lint-md.yml
+++ b/.github/workflows/lint-md.yml
@@ -10,6 +10,6 @@ jobs:
   lint-md:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: npm install
       - run: npx remark --frail . .github
diff --git a/.github/workflows/support-window.yml b/.github/workflows/support-window.yml
index ab0ac46392f36e..bef8c0d9959ac0 100644
--- a/.github/workflows/support-window.yml
+++ b/.github/workflows/support-window.yml
@@ -20,7 +20,7 @@ jobs:
     if: github.repository == 'DefinitelyTyped/DefinitelyTyped'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         #with:
         #  cache: npm