diff --git a/.github/workflows/build-init.yml b/.github/workflows/build-init.yml
index 2707dc3..c683efb 100644
--- a/.github/workflows/build-init.yml
+++ b/.github/workflows/build-init.yml
@@ -17,7 +17,7 @@ jobs:
       VAGRANT_ON_GH: true
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: set up Python
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/build-vagrant.yml b/.github/workflows/build-vagrant.yml
index 3910aae..7b52080 100644
--- a/.github/workflows/build-vagrant.yml
+++ b/.github/workflows/build-vagrant.yml
@@ -23,7 +23,7 @@ jobs:
 
     steps:
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: set up Python
       uses: actions/setup-python@v4
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5e4320b..662c656 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
@@ -24,7 +24,7 @@ jobs:
   #   runs-on: ubuntu-latest
 
   #   steps:
-  #   - uses: actions/checkout@v3
+  #   - uses: actions/checkout@v4
   #   - name: Set up Python
   #     uses: actions/setup-python@v4
   #     with: