diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ce53bcc737e0..7502ea53b9ac 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -346,6 +346,13 @@ jobs:
             run: pnpm run lint:es-compatibility
           - name: Lint types
             run: pnpm run lint:types
+          - name: Check Playwright versions
+            run: |
+              version=$(node -p "require('./dev-packages/test-utils/package.json').devDependencies['@playwright/test']")
+              if git grep -n '"@playwright/test": "' -- '*package.json' | grep -vF "\"$version\""; then
+                echo "::error::All @playwright/test dependencies must be pinned to $version (from @sentry-internal/test-utils)."
+                exit 1
+              fi
 
   job_check_lockfile:
     name: Check lockfile