diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c82e4b8b6..3c3d33273 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
         os: [macos-13, ubuntu-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Add .Net 5 Framework
         uses: actions/setup-dotnet@v4
         with:
@@ -38,7 +38,7 @@ jobs:
       max-parallel: 1
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Add .Net 5 Framework
         uses: actions/setup-dotnet@v4
         with:
@@ -75,7 +75,7 @@ jobs:
         os: [macos-13, ubuntu-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Add .Net 5 Framework
         uses: actions/setup-dotnet@v4
         with:
diff --git a/.github/workflows/nuget_upload.yml b/.github/workflows/nuget_upload.yml
index 949c55fe0..d72b77133 100644
--- a/.github/workflows/nuget_upload.yml
+++ b/.github/workflows/nuget_upload.yml
@@ -9,7 +9,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Pack
         run: |
           dotnet pack \
diff --git a/.github/workflows/spec_update.yml b/.github/workflows/spec_update.yml
index a37484a1d..39af57949 100644
--- a/.github/workflows/spec_update.yml
+++ b/.github/workflows/spec_update.yml
@@ -8,7 +8,7 @@ jobs:
   Update:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Setup Python environment
         uses: actions/setup-python@v2.2.2
         with: