diff --git a/.github/workflows/argo_workflow_test.yaml b/.github/workflows/argo_workflow_test.yaml
index d2564a2..41cd594 100644
--- a/.github/workflows/argo_workflow_test.yaml
+++ b/.github/workflows/argo_workflow_test.yaml
@@ -18,7 +18,7 @@ jobs:
         feature: [workflow, workflow-template, cron-workflow]
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
       - name: Setup Kubernetes
         uses: engineerd/setup-kind@v0.5.0
         with:
diff --git a/.github/workflows/charts_test.yaml b/.github/workflows/charts_test.yaml
index 27d99cc..a49cf58 100644
--- a/.github/workflows/charts_test.yaml
+++ b/.github/workflows/charts_test.yaml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/flagger_e2e.yaml b/.github/workflows/flagger_e2e.yaml
index a27333e..5d3607c 100644
--- a/.github/workflows/flagger_e2e.yaml
+++ b/.github/workflows/flagger_e2e.yaml
@@ -18,7 +18,7 @@ jobs:
         cluster: [prod]
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
       - name: Setup Flux
         uses: fluxcd/flux2/action@main
       - name: Setup Kubernetes
diff --git a/.github/workflows/flagger_test.yaml b/.github/workflows/flagger_test.yaml
index 34f7537..469074b 100644
--- a/.github/workflows/flagger_test.yaml
+++ b/.github/workflows/flagger_test.yaml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
       - name: Get Istioctl
         working-directory: flagger
         run: |
diff --git a/.github/workflows/flux2_e2e.yaml b/.github/workflows/flux2_e2e.yaml
index 6922139..fb8d5b0 100644
--- a/.github/workflows/flux2_e2e.yaml
+++ b/.github/workflows/flux2_e2e.yaml
@@ -19,7 +19,7 @@ jobs:
         solution: [multi-clusters, multi-tenants]
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
       - name: Setup tools
         uses: ./.github/actions/flux2/tools
       - name: Setup Flux
diff --git a/.github/workflows/flux2_test.yaml b/.github/workflows/flux2_test.yaml
index ec1545f..0506032 100644
--- a/.github/workflows/flux2_test.yaml
+++ b/.github/workflows/flux2_test.yaml
@@ -17,7 +17,7 @@ jobs:
         solution: [multi-clusters, multi-tenants]
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
       - name: Setup tools
         uses: ./.github/actions/flux2/tools
       - name: Validate manifests
diff --git a/.github/workflows/tekton_test.yaml b/.github/workflows/tekton_test.yaml
index 10979aa..d21d9f8 100644
--- a/.github/workflows/tekton_test.yaml
+++ b/.github/workflows/tekton_test.yaml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0