diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b7d73cd..aa86567 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
           submodules: true
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-20.04
     if: github.event_name == 'push'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
           submodules: true
@@ -53,7 +53,7 @@ jobs:
         os: [ubuntu-20.04, windows-latest, macos-latest]
         scalaJsVersion: ["1.9.0", "1.10.0", "1.10.1", "1.11.0", "1.12.0", "1.13.1"]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
           submodules: true
@@ -97,7 +97,7 @@ jobs:
       matrix:
         scalaJsVersion: ["1.9.0", "1.10.0", "1.10.1", "1.11.0", "1.12.0", "1.13.1"]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
           submodules: true
@@ -131,7 +131,7 @@ jobs:
       matrix:
         scalaJsVersion: ["1.9.0", "1.10.0", "1.10.1", "1.11.0", "1.12.0", "1.13.1"]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
           submodules: true