diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7dc6352..45f6076 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
            device: "iPhone 11 Pro Max"
     runs-on: "${{ matrix.os }}"
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
       - uses: maxim-lobanov/setup-xcode@v1
         with:
           xcode-version: "${{ matrix.xcode }}"
@@ -44,7 +44,7 @@ jobs:
     needs: test
     runs-on: "macos-10.15"
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
       - uses: maxim-lobanov/setup-xcode@v1
         with:
           xcode-version: "latest-stable"
@@ -64,7 +64,7 @@ jobs:
     needs: test
     runs-on: "macos-10.15"
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
       - uses: maxim-lobanov/setup-xcode@v1
         with:
           xcode-version: "latest-stable"
@@ -88,7 +88,7 @@ jobs:
     needs: test
     runs-on: "macos-latest"
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
       - uses: maxim-lobanov/setup-xcode@v1
         with:
           xcode-version: "latest-stable"