diff --git a/.github/workflows/dev_builds.yml b/.github/workflows/dev_builds.yml
index 147a518..f452603 100644
--- a/.github/workflows/dev_builds.yml
+++ b/.github/workflows/dev_builds.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2.2.0
diff --git a/.github/workflows/pull_requests.yml b/.github/workflows/pull_requests.yml
index 7a6de28..94853ce 100644
--- a/.github/workflows/pull_requests.yml
+++ b/.github/workflows/pull_requests.yml
@@ -9,7 +9,7 @@ jobs:
   test-fluent-plugin-datapoint:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-ruby@v1.1.3
         with:
           ruby-version: '3.1'
@@ -21,7 +21,7 @@ jobs:
   test-fluent-plugin-enhance-k8s-metadata:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-ruby@v1.1.3
         with:
           ruby-version: '3.1'
@@ -33,7 +33,7 @@ jobs:
   test-fluent-plugin-events:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-ruby@v1.1.3
         with:
           ruby-version: '3.1'
@@ -45,7 +45,7 @@ jobs:
   test-fluent-plugin-kubernetes-metadata-filter:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-ruby@v1.1.3
         with:
           ruby-version: '3.1'
@@ -57,7 +57,7 @@ jobs:
   test-fluent-plugin-kubernetes-sumologic:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-ruby@v1.1.3
         with:
           ruby-version: '3.1'
@@ -69,7 +69,7 @@ jobs:
   test-fluent-plugin-prometheus-format:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-ruby@v1.1.3
         with:
           ruby-version: '3.1'
@@ -81,7 +81,7 @@ jobs:
   test-fluent-plugin-protobuf:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-ruby@v1.1.3
         with:
           ruby-version: '3.1'
@@ -93,7 +93,7 @@ jobs:
   image-test-debian:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build Debian image
         run: make build
       - name: Test Debian image
@@ -102,7 +102,7 @@ jobs:
   image-test-alpine:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build Alpine image
         run: make build-alpine
       - name: Test Alpine image
diff --git a/.github/workflows/release_builds.yml b/.github/workflows/release_builds.yml
index 839b65b..dcf123f 100644
--- a/.github/workflows/release_builds.yml
+++ b/.github/workflows/release_builds.yml
@@ -14,7 +14,7 @@ jobs:
   build:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Extract tag
         id: extract_tag