diff --git a/.github/workflows/githubpages.yaml b/.github/workflows/githubpages.yaml
index cfb55fe..ff32486 100644
--- a/.github/workflows/githubpages.yaml
+++ b/.github/workflows/githubpages.yaml
@@ -13,7 +13,7 @@ jobs:
     timeout-minutes: 20
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index c25b110..cc2fd9e 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -25,7 +25,7 @@ jobs:
     timeout-minutes: 90
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/pull_request.yaml b/.github/workflows/pull_request.yaml
index 17f20de..43f02a7 100644
--- a/.github/workflows/pull_request.yaml
+++ b/.github/workflows/pull_request.yaml
@@ -15,7 +15,7 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -42,7 +42,7 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -69,7 +69,7 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -96,7 +96,7 @@ jobs:
     timeout-minutes: 60
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0