diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 625858cb..bd8bdcfd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     if: github.repository == 'anthropics/anthropic-sdk-typescript'
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Node
         uses: actions/setup-node@v4
diff --git a/.github/workflows/publish-npm.yml b/.github/workflows/publish-npm.yml
index 50ddcb7d..b18decdf 100644
--- a/.github/workflows/publish-npm.yml
+++ b/.github/workflows/publish-npm.yml
@@ -15,7 +15,7 @@ jobs:
     environment: production-release
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Node
         uses: actions/setup-node@v4