diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 1ba548a4c44e..56017f0b4943 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -42,6 +42,11 @@ jobs:
         uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           retries: 3
+          # The default for this includes code 422, which happens regularly for us when comparing commits:
+          #   422 - Server Error: Sorry, this diff is taking too long to generate.
+          # Listing all other values from here to effectively remove 422:
+          #   https://github.com/octokit/plugin-retry.js/blob/9a2443746c350b3beedec35cf26e197ea318a261/src/index.ts#L14
+          retry-exempt-status-codes: 400,401,403,404
           script: |
             require('./ci/github-script/prepare.js')({
               github,