diff --git a/.github/workflows/licence-checker.yml b/.github/workflows/licence-checker.yml
index c38916cb..cf4bd099 100644
--- a/.github/workflows/licence-checker.yml
+++ b/.github/workflows/licence-checker.yml
@@ -26,9 +26,9 @@ on:
   pull_request:
     branches:
       - main
-  pull_request_target:
-    branches:
-      - main
+
+permissions:
+  contents: read
 
 jobs:
   check-license:
@@ -43,4 +43,4 @@ jobs:
       - name: Check Dependencies' License
         uses: apache/skywalking-eyes/dependency@main
         with:
-          log: info
\ No newline at end of file
+          log: info