diff --git a/.github/workflows/build_directory_md.yml b/.github/workflows/build_directory_md.yml
index 2384369..2c27125 100644
--- a/.github/workflows/build_directory_md.yml
+++ b/.github/workflows/build_directory_md.yml
@@ -16,7 +16,7 @@ jobs:
   build_directory_md:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: jiro4989/setup-nim-action@v2
         with:
diff --git a/.github/workflows/check_code_format.yml b/.github/workflows/check_code_format.yml
index 5fb870f..1cf495b 100644
--- a/.github/workflows/check_code_format.yml
+++ b/.github/workflows/check_code_format.yml
@@ -14,7 +14,7 @@ jobs:
     name: check format code
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/nim_test.yml b/.github/workflows/nim_test.yml
index 16abab4..ddda02b 100644
--- a/.github/workflows/nim_test.yml
+++ b/.github/workflows/nim_test.yml
@@ -23,7 +23,7 @@ jobs:
           - '2.2.4'
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: jiro4989/setup-nim-action@v2
         with:
diff --git a/.github/workflows/nim_test_cyclic.yml b/.github/workflows/nim_test_cyclic.yml
index 6f212ff..e9d7368 100644
--- a/.github/workflows/nim_test_cyclic.yml
+++ b/.github/workflows/nim_test_cyclic.yml
@@ -20,7 +20,7 @@ jobs:
           - 'devel'
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: jiro4989/setup-nim-action@v2
         with: