diff --git a/.github/workflows/check-dist.yml b/.github/workflows/check-dist.yml
index 37b7f02..e3f7bae 100644
--- a/.github/workflows/check-dist.yml
+++ b/.github/workflows/check-dist.yml
@@ -4,6 +4,8 @@
 # For our project, we generate this file through a build process from other source files.
 # We need to make sure the checked-in `index.js` actually matches what we expect it to be.
 name: Check dist/
+permissions:
+  contents: read
 
 on:
   push: