diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 55e14b4..786fe5f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
 
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v4
     - name: Install Rust
       uses: actions-rs/toolchain@v1
       with:
@@ -41,7 +41,7 @@ jobs:
           - nightly
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Install Rust (${{ matrix.rust }})
         uses: actions-rs/toolchain@v1
@@ -81,7 +81,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Install Rust (${{ matrix.rust }})
         uses: actions-rs/toolchain@v1