diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 6ae3a7a..a3f6d58 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/dotnet-ci.yml b/.github/workflows/dotnet-ci.yml
index 228124f..16e64e4 100644
--- a/.github/workflows/dotnet-ci.yml
+++ b/.github/workflows/dotnet-ci.yml
@@ -22,7 +22,7 @@ jobs:
     env:
       NUGET_CERT_REVOCATION_MODE: offline
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         clean: true
 
diff --git a/.github/workflows/dotnet-format.yml b/.github/workflows/dotnet-format.yml
index 80b9e8a..e816a10 100644
--- a/.github/workflows/dotnet-format.yml
+++ b/.github/workflows/dotnet-format.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
           
diff --git a/.github/workflows/dotnet-pr.yml b/.github/workflows/dotnet-pr.yml
index 8e52387..70d7e07 100644
--- a/.github/workflows/dotnet-pr.yml
+++ b/.github/workflows/dotnet-pr.yml
@@ -22,7 +22,7 @@ jobs:
     env:
       NUGET_CERT_REVOCATION_MODE: offline
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         clean: true