diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index d0275b8..4fec71d 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -10,7 +10,7 @@ jobs:
   benchmark:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
diff --git a/.github/workflows/build-test-run.yml b/.github/workflows/build-test-run.yml
index 3c6588f..7089166 100644
--- a/.github/workflows/build-test-run.yml
+++ b/.github/workflows/build-test-run.yml
@@ -33,7 +33,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Setup .NET 9
       uses: actions/setup-dotnet@v4
@@ -151,7 +151,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index ae658fd..75d5314 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3