diff --git a/.github/workflows/twisted_trunk.yml b/.github/workflows/twisted_trunk.yml
index 80984ceeb3..d44e33ca9f 100644
--- a/.github/workflows/twisted_trunk.yml
+++ b/.github/workflows/twisted_trunk.yml
@@ -1,5 +1,8 @@
 name: Twisted Trunk
 
+permissions:
+  contents: read
+
 on:
   schedule:
     - cron: 0 8 * * *
@@ -169,6 +172,10 @@ jobs:
       - sytest
       - complement
 
+    permissions:
+      contents: read
+      issues: write
+
     runs-on: ubuntu-latest
 
     steps: