diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 90295be..2f2248a 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -36,7 +36,7 @@ jobs:
 
     name: Perl ${{ matrix.perl }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup perl
       uses: shogo82148/actions-setup-perl@v1
@@ -78,7 +78,7 @@ jobs:
 
     name: Perl ${{ matrix.perl }} + ${{ matrix.compiler.name }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup perl
       uses: shogo82148/actions-setup-perl@v1
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 8b9a552..8d1bf11 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -36,7 +36,7 @@ jobs:
 
     name: Perl ${{ matrix.perl }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup perl
       uses: shogo82148/actions-setup-perl@v1
@@ -77,7 +77,7 @@ jobs:
 
     name: Perl ${{ matrix.perl }} with ${{ matrix.compiler.name }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup perl
       uses: shogo82148/actions-setup-perl@v1
diff --git a/.github/workflows/windows-cache-bdb.yml b/.github/workflows/windows-cache-bdb.yml
index 62171ef..b578129 100644
--- a/.github/workflows/windows-cache-bdb.yml
+++ b/.github/workflows/windows-cache-bdb.yml
@@ -16,7 +16,7 @@ jobs:
     name: Build and Cache Berkeley DB
     steps:
 
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Output Env (bash)
       run: |
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 7b769b4..c985095 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -42,7 +42,7 @@ jobs:
     name: Perl ${{ matrix.perl }}
     steps:
 
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup perl
       uses: shogo82148/actions-setup-perl@v1