diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a68ed48bb..dadd82448 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,7 +5,7 @@ jobs:
   lint:
     runs-on: blacksmith-2vcpu-ubuntu-2204
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python 3.10
         uses: useblacksmith/setup-python@v6
         with:
@@ -27,7 +27,7 @@ jobs:
   mypy:
     runs-on: blacksmith-4vcpu-ubuntu-2204
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python 3.10
         uses: useblacksmith/setup-python@v6
         with:
@@ -43,7 +43,7 @@ jobs:
   test-sdist:
     runs-on: blacksmith-4vcpu-ubuntu-2204
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python 3.10
         uses: useblacksmith/setup-python@v6
         with:
@@ -64,7 +64,7 @@ jobs:
       matrix:
         python-version: [ '3.7', '3.8', '3.9', '3.10', '3.11' ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Download docker image
         run: docker pull dmoj/runtimes-tier3
       - name: Install python