diff --git a/packages/lodestar/src/chain/options.ts b/packages/lodestar/src/chain/options.ts
index 3165103db424..dce20102bb3e 100644
--- a/packages/lodestar/src/chain/options.ts
+++ b/packages/lodestar/src/chain/options.ts
@@ -28,6 +28,6 @@ export const defaultChainOptions: IChainOptions = {
   disableBlsBatchVerify: false,
   persistInvalidSszObjects: true,
   persistInvalidSszObjectsDir: "",
-  proposerBoostEnabled: false,
+  proposerBoostEnabled: true,
   safeSlotsToImportOptimistically: SAFE_SLOTS_TO_IMPORT_OPTIMISTICALLY,
 };