diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index 3465c0fec..de1a28d6e 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -48,7 +48,7 @@ jobs:
     - name: ccache
       uses: hendrikmuhs/ccache-action@v1.2
       
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
           submodules: true
           
diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 9280585ed..d9bedf5ad 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -27,7 +27,7 @@ jobs:
             os: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: lukka/get-cmake@latest
 
diff --git a/.github/workflows/sanitizer.yml b/.github/workflows/sanitizer.yml
index ef18460ba..b4b06ba61 100644
--- a/.github/workflows/sanitizer.yml
+++ b/.github/workflows/sanitizer.yml
@@ -14,7 +14,7 @@ jobs:
     name: adress-sanitizer
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: lukka/get-cmake@latest    
     - uses: lukka/set-shell-env@v1
       with:
@@ -38,7 +38,7 @@ jobs:
     name: undefined-behavior-sanitizer
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: lukka/get-cmake@latest    
     - uses: lukka/set-shell-env@v1
       with:
@@ -62,7 +62,7 @@ jobs:
     name: printf-sanitizer
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     
     - name: run scan_printf script
       run: ./scripts/scan_printf.sh