diff --git a/.github/workflows/c.yml b/.github/workflows/c.yml
index f5472ee..58fe933 100644
--- a/.github/workflows/c.yml
+++ b/.github/workflows/c.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4.1.4
+    - uses: actions/checkout@v4.1.5
     - name: make
       run: make
     - name: compiler-test
diff --git a/.github/workflows/clang-macos.yml b/.github/workflows/clang-macos.yml
index 6ec1602..77f6f5b 100644
--- a/.github/workflows/clang-macos.yml
+++ b/.github/workflows/clang-macos.yml
@@ -12,6 +12,6 @@ jobs:
     runs-on: macos-latest
 
     steps:
-    - uses: actions/checkout@v4.1.4
+    - uses: actions/checkout@v4.1.5
     - name: make using zsh instead of bash
       run: ./configure.sh && make CC=clang
diff --git a/.github/workflows/clang.yml b/.github/workflows/clang.yml
index 50030ed..2ced255 100644
--- a/.github/workflows/clang.yml
+++ b/.github/workflows/clang.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4.1.4
+    - uses: actions/checkout@v4.1.5
     - name: install dependencies
       run: sudo apt-get install llvm
     - name: make