diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 7a0a79e..fbe82d7 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -5,8 +5,11 @@ on:
     tags:
       - '[0-9]+.[0-9]+.[0-9]+*'
 
+# Publish using the reusable workflow from dart-lang.
 jobs:
   publish:
+    permissions:
+      id-token: write # Required for authentication using OIDC
     uses: dart-lang/setup-dart/.github/workflows/publish.yml@v1
     # with:
     #   working-directory: path/to/package/within/repository