diff --git a/.github/workflows/daily-update.yml b/.github/workflows/daily-update.yml
index e79f248..a695d6a 100644
--- a/.github/workflows/daily-update.yml
+++ b/.github/workflows/daily-update.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python 3.9
       uses: actions/setup-python@v1
       with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index f1452d4..054fb1a 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python 3.9
       uses: actions/setup-python@v1
       with:
diff --git a/.github/workflows/weekly-update.yml b/.github/workflows/weekly-update.yml
index 3b39807..eb49ca2 100644
--- a/.github/workflows/weekly-update.yml
+++ b/.github/workflows/weekly-update.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python 3.9
       uses: actions/setup-python@v1
       with: