diff --git a/.github/workflows/preview-env-dispatch.yaml b/.github/workflows/preview-env-dispatch.yaml
index 0316729e8..c6c6ac474 100644
--- a/.github/workflows/preview-env-dispatch.yaml
+++ b/.github/workflows/preview-env-dispatch.yaml
@@ -12,8 +12,9 @@ concurrency:
   cancel-in-progress: true
 
 permissions:
-  contents: read
+  contents: write
   actions: write
+  pull-requests: read
 
 jobs:
   changed-files-check:
@@ -39,4 +40,4 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
           repository: ${{ github.repository }}
           event-type: preview-environment
-          client-payload: '{"pr_number": "${{ github.event.pull_request.number }}", "pr_head_sha": "${{ github.event.pull_request.head.sha }}", "repo_full_name": "${{ github.repository }}"}' 
\ No newline at end of file
+          client-payload: '{"pr_number": "${{ github.event.pull_request.number }}", "pr_head_sha": "${{ github.event.pull_request.head.sha }}", "repo_full_name": "${{ github.repository }}"}'