diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d080445..c0135df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install toolchain
         uses: actions-rs/toolchain@v1
@@ -47,7 +47,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install stable toolchain
         uses: actions-rs/toolchain@v1
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index e822031..42cb32c 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -8,7 +8,7 @@ jobs:
   audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/install@v0.1.2
         with:
           crate: cargo-audit