diff --git a/.github/workflows/generator.yml b/.github/workflows/generator.yml
index 5ed4cf85..05ef4e78 100644
--- a/.github/workflows/generator.yml
+++ b/.github/workflows/generator.yml
@@ -10,6 +10,10 @@ on:
       - 'generator/**'
       - '.github/workflows/generator.yml'
 
+permissions:
+  contents: write
+  pull-requests: write
+
 jobs:
   generate:
     name: Generate SDK from OpenAPI
@@ -62,7 +66,7 @@ jobs:
       if: steps.check_changes.outputs.changed == 'true'
       uses: peter-evans/create-pull-request@v5
       with:
-        token: ${{ secrets.PAT_TOKEN }}
+        token: ${{ secrets.GITHUB_TOKEN }}
         commit-message: "chore: update Python SDK from latest OpenAPI specification"
         title: "chore: update Python SDK from latest OpenAPI specification"
         body: |
@@ -77,4 +81,3 @@ jobs:
           This is an automated update generated by the SDK generator workflow.
         branch: update-sdk-from-openapi
         delete-branch: true
-