diff --git a/src/data/buildings.ts b/src/data/buildings.ts
index e7982d5..a62f82e 100644
--- a/src/data/buildings.ts
+++ b/src/data/buildings.ts
@@ -325,7 +325,7 @@ export default [
     {
         type: 'palace',
         name: 'Palace',
-        maxLevel: 20,
+        maxLevel: 10,
         unique: true,
         requiredTownhallLevel: 10,
         cost: (level: number) => {
@@ -345,7 +345,7 @@ export default [
             },
             triggers: {
                 onLevelUp: (V: VillageState, self: BuildingType) => {
-                    if (self.level === 10 || self.level === 20) {
+                    if (self.level === 5 || self.level === 10) {
                         // Create a new hero.
                         V.heroes.push(createHero());
                     }