diff --git a/.github/workflows/sysroots.yml b/.github/workflows/sysroots.yml
index 73a10768db..6a4f44ddd5 100644
--- a/.github/workflows/sysroots.yml
+++ b/.github/workflows/sysroots.yml
@@ -13,7 +13,7 @@ jobs:
     name: Build the sysroots
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build the sysroots
         run: |
           cargo install -f rustup-toolchain-install-master
diff --git a/README.md b/README.md
index dbb0e8a292..72555e8c40 100644
--- a/README.md
+++ b/README.md
@@ -187,7 +187,7 @@ Here is an example job for GitHub Actions:
     name: "Miri"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Miri
         run: |
           rustup toolchain install nightly --component miri