diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 546265b..8246b95 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -29,7 +29,7 @@ jobs:
         sudo apt-get install -y zlib1g-dev
     
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
         
     - name: Check formatting
       run: |
diff --git a/.github/workflows/tests_clang.yml b/.github/workflows/tests_clang.yml
index 1295df5..8d6c0dd 100644
--- a/.github/workflows/tests_clang.yml
+++ b/.github/workflows/tests_clang.yml
@@ -30,7 +30,7 @@ jobs:
         sudo apt-get install -y zlib1g-dev
     
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     
     - name: Build zlib-accel
       run: |
diff --git a/.github/workflows/tests_log_stats.yml b/.github/workflows/tests_log_stats.yml
index c58dbb5..5200fce 100644
--- a/.github/workflows/tests_log_stats.yml
+++ b/.github/workflows/tests_log_stats.yml
@@ -29,7 +29,7 @@ jobs:
         sudo apt-get install -y zlib1g-dev
     
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
         
     - name: Build zlib-accel (DEBUG_LOG=ON, ENABLE_STATISTICS=OFF)
       run: |