diff --git a/.github/workflows/codspeed.yml b/.github/workflows/codspeed.yml
index b13938d..4807f27 100644
--- a/.github/workflows/codspeed.yml
+++ b/.github/workflows/codspeed.yml
@@ -10,7 +10,7 @@ jobs:
   benchmarks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python 3.12
         uses: actions/setup-python@v2
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bc0e19a..b9c8e76 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v2
diff --git a/README.md b/README.md
index 32ec187..e5f9224 100644
--- a/README.md
+++ b/README.md
@@ -100,7 +100,7 @@ jobs:
   benchmarks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v3
         with:
           python-version: "3.9"