diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4bd1241a..aa166d7c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     name: run tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Fix permissions of working directory
         run: chmod 777 .
@@ -37,7 +37,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: psf/black@stable
 
   publish:
@@ -51,7 +51,7 @@ jobs:
       - test
       - lint
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Fetch repository tags (for git describe to work)
         run: git fetch --prune --unshallow