diff --git a/.github/workflows/pr-typo-fixes.yml b/.github/workflows/pr-typo-fixes.yml
index 7690ec3..1eeebd8 100644
--- a/.github/workflows/pr-typo-fixes.yml
+++ b/.github/workflows/pr-typo-fixes.yml
@@ -4,6 +4,9 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
 
+permissions:
+  contents: read
+
 jobs:
   typo-check:
     runs-on: ubuntu-latest