diff --git a/cloud/pnpm-workspace.yaml b/cloud/pnpm-workspace.yaml
index 3e18b93fdfa..a7bf2016f54 100644
--- a/cloud/pnpm-workspace.yaml
+++ b/cloud/pnpm-workspace.yaml
@@ -8,6 +8,8 @@ engineStrict: false
 # pnpm 10 skipped this unlisted build script; keep the binary-only install it produced.
 allowBuilds:
   esbuild: false
+  # relay-edge (Wrangler): the platform binary comes from an optional dependency.
+  workerd: false
 
 overrides:
   vite@>=8.0.0 <8.1.6: 8.3.4