diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 89c1b27..bb5b673 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -24,7 +24,7 @@ jobs:
             compiler: gcc-12
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Compiler version
         run: $CC -v
         env:
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 3aec2a5..b4f6713 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -24,7 +24,7 @@ jobs:
         language: [ 'cpp' ]
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2
       with: