diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cab7933..79bdda4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
   Check_Formatting:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: hecrj/setup-rust-action@v1
       with:
         rust-version: stable
@@ -20,7 +20,7 @@ jobs:
   miri-tests:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: hecrj/setup-rust-action@v1
       with:
         rust-version: nightly
@@ -66,7 +66,7 @@ jobs:
 
     runs-on: ${{ matrix.platform.os }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - uses: taiki-e/install-action@v2
       if: matrix.platform.target == 'wasm32-unknown-unknown'