diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d9bfe80..f7caa5a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v4
       with:
diff --git a/.github/workflows/dotnet-format.yml b/.github/workflows/dotnet-format.yml
index e3e8312..cfbf15e 100644
--- a/.github/workflows/dotnet-format.yml
+++ b/.github/workflows/dotnet-format.yml
@@ -16,7 +16,7 @@ jobs:
   check_format:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v4
diff --git a/.github/workflows/pack.yml b/.github/workflows/pack.yml
index 03fe884..7c4568f 100644
--- a/.github/workflows/pack.yml
+++ b/.github/workflows/pack.yml
@@ -10,7 +10,7 @@ jobs:
   pack:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v4