diff --git a/.github/workflows/build-dev.yml b/.github/workflows/build-dev.yml
index bc5774c92..f30dd3b56 100644
--- a/.github/workflows/build-dev.yml
+++ b/.github/workflows/build-dev.yml
@@ -18,7 +18,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
       -
         name: Setup .NET
         uses: actions/setup-dotnet@v1.8.2
@@ -35,7 +35,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
       -  
         name: Setup .NET
         uses: actions/setup-dotnet@v1.8.2
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index f63ec408b..8e2ebca54 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -23,7 +23,7 @@ jobs:
 
       - name: Checkout repository
         id: checkout_repo
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
 
       - name: Initialize CodeQL
         id: init_codeql
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 45762e6c1..383bfcbfb 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -9,7 +9,7 @@ jobs:
     steps:
       -  
         name: Checkout
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
       -  
         name: Setup .NET
         uses: actions/setup-dotnet@v1.8.2
@@ -25,7 +25,7 @@ jobs:
     steps:
       -  
         name: Checkout
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
       -  
         name: Build docs
         run: |