diff --git a/.github/workflows/cache-cleanup.yml b/.github/workflows/cache-cleanup.yml
index c38811a41..191e5b1c8 100644
--- a/.github/workflows/cache-cleanup.yml
+++ b/.github/workflows/cache-cleanup.yml
@@ -4,6 +4,9 @@ on:
     types:
       - closed
 
+permissions:
+  contents: read
+
 jobs:
   cleanup:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/e2e-aks.yml b/.github/workflows/e2e-aks.yml
index 0d6295135..0f882e349 100644
--- a/.github/workflows/e2e-aks.yml
+++ b/.github/workflows/e2e-aks.yml
@@ -1,5 +1,8 @@
 name: e2e-aks
 
+permissions:
+  contents: read
+
 on:
   workflow_call:
     inputs:
diff --git a/.github/workflows/e2e-cli.yml b/.github/workflows/e2e-cli.yml
index c87e91444..1eb6ca331 100644
--- a/.github/workflows/e2e-cli.yml
+++ b/.github/workflows/e2e-cli.yml
@@ -3,6 +3,9 @@ name: e2e-cli
 on:
   workflow_call:
 
+permissions:
+  contents: read
+
 jobs:
   check-license:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/e2e-k8s.yml b/.github/workflows/e2e-k8s.yml
index a02f6be09..54c0dd043 100644
--- a/.github/workflows/e2e-k8s.yml
+++ b/.github/workflows/e2e-k8s.yml
@@ -1,5 +1,8 @@
 name: e2e-k8s
 
+permissions:
+  contents: read
+
 on:
   workflow_call:
     inputs:
diff --git a/.github/workflows/quick-start.yml b/.github/workflows/quick-start.yml
index a58e94874..53b582fa4 100644
--- a/.github/workflows/quick-start.yml
+++ b/.github/workflows/quick-start.yml
@@ -1,5 +1,8 @@
 name: quick-start
 
+permissions:
+  contents: read
+
 on:
   pull_request_target:
     types: [labeled]