diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 65683e512..4eb421a3d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
     name: Test alertmanager frontend
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - run: make clean
       - run: make all
         working-directory: ./ui/app
@@ -23,7 +23,7 @@ jobs:
       matrix:
         thread: [0, 1, 2]
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v4.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4.0.0
       - uses: prometheus/promci@c0916f0a41f13444612a8f0f5e700ea34edd7c19 # v0.5.3
       - uses: ./.github/promci/actions/build
         with:
@@ -51,7 +51,7 @@ jobs:
       EMAIL_NO_AUTH_CONFIG: testdata/noauth.yml
       EMAIL_AUTH_CONFIG: testdata/auth.yml
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: prometheus/promci@c0916f0a41f13444612a8f0f5e700ea34edd7c19 # v0.5.3
       - uses: ./.github/promci/actions/setup_environment
       - run: make
diff --git a/.github/workflows/mixin.yml b/.github/workflows/mixin.yml
index 20ced8bca..755a0fc44 100644
--- a/.github/workflows/mixin.yml
+++ b/.github/workflows/mixin.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - name: install Go
         uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6.1.0
         with:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 814fe117b..74918ad0a 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -17,7 +17,7 @@ jobs:
         thread: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
     needs: ci
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: prometheus/promci@c0916f0a41f13444612a8f0f5e700ea34edd7c19 # v0.5.3
       - uses: ./.github/promci/actions/build
         with:
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: build
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: prometheus/promci@c0916f0a41f13444612a8f0f5e700ea34edd7c19 # v0.5.3
       - uses: ./.github/promci/actions/publish_main
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f6a3f5303..393de98f0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
         thread: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
     needs: ci
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: prometheus/promci@c0916f0a41f13444612a8f0f5e700ea34edd7c19 # v0.5.3
       - uses: ./.github/promci/actions/build
         with:
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: build
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: prometheus/promci@c0916f0a41f13444612a8f0f5e700ea34edd7c19 # v0.5.3
       - uses: ./.github/promci/actions/publish_release
         with:
diff --git a/.github/workflows/ui-ci.yml b/.github/workflows/ui-ci.yml
index 874128b33..69bd58e7f 100644
--- a/.github/workflows/ui-ci.yml
+++ b/.github/workflows/ui-ci.yml
@@ -19,7 +19,7 @@ jobs:
       run:
         working-directory: ./ui/mantine-ui
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
         with:
           node-version-file: './ui/mantine-ui/.nvmrc'