diff --git a/.github/workflows/coveralls.yml b/.github/workflows/coveralls.yml
index eed962d..71fa66e 100644
--- a/.github/workflows/coveralls.yml
+++ b/.github/workflows/coveralls.yml
@@ -4,7 +4,7 @@ jobs:
   build:
     runs-on: 'ubuntu-latest'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: shogo82148/actions-setup-perl@v1
         with:
           perl-version: 5.32
diff --git a/.github/workflows/freebsd.yml b/.github/workflows/freebsd.yml
index b348921..47967d9 100644
--- a/.github/workflows/freebsd.yml
+++ b/.github/workflows/freebsd.yml
@@ -5,7 +5,7 @@ jobs:
   build:
     runs-on: 'macos-12'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Perl environment
         uses: shogo82148/actions-setup-perl@v1
       - name: Test and build
diff --git a/.github/workflows/install-linux.yml b/.github/workflows/install-linux.yml
index fb74764..d55c57e 100644
--- a/.github/workflows/install-linux.yml
+++ b/.github/workflows/install-linux.yml
@@ -5,7 +5,7 @@ jobs:
   build:
     runs-on: 'macos-12'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Perl environment
         uses: shogo82148/actions-setup-perl@v1
       - name: Test and build
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index b6a4137..1972bae 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -25,7 +25,7 @@ jobs:
     name: Perl ${{ matrix.perl }}
     steps:
       - name: check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: switch to perl ${{ matrix.perl }}
         uses: shogo82148/actions-setup-perl@v1
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 2aa3c39..d0868e1 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -9,7 +9,7 @@ jobs:
         runs-on: ['macos-13', 'macos-11', 'macos-12']
     runs-on: ${{ matrix.runs-on }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Perl environment
         uses: shogo82148/actions-setup-perl@v1
       - name: Test and build
diff --git a/.github/workflows/openbsd.yml b/.github/workflows/openbsd.yml
index 0cb19f5..ce86868 100644
--- a/.github/workflows/openbsd.yml
+++ b/.github/workflows/openbsd.yml
@@ -5,7 +5,7 @@ jobs:
   build:
     runs-on: 'macos-12'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Perl environment
         uses: shogo82148/actions-setup-perl@v1
       - name: Test and build
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 71e4575..3c00cc7 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -3,7 +3,7 @@ jobs:
   build:
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up perl
       uses: shogo82148/actions-setup-perl@v1
       with: