diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 4c199067..f115c83b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
@@ -36,7 +36,7 @@ jobs:
           - stable
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Rust (${{ matrix.rust }})
         uses: dtolnay/rust-toolchain@master
@@ -64,7 +64,7 @@ jobs:
   clippy_check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Run Clippy
         run: cargo clippy --all-targets --all-features
 
@@ -76,7 +76,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Get MSRV from package metadata
         id: msrv