diff --git a/src/index.ts b/src/index.ts
index 0d4b07c..5968890 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -2,8 +2,10 @@ export * from './core/MancalaGame';
 export * from './core/Board';
 export * from './core/Pit';
 export * from './core/GameRule';
+export * from './core/HistoryItem';
 export * from './common/CommonBoard';
 export * from './common/CommonMancalaGame';
 export * from './common/game_rules/GRLastStoneInBank';
 export * from './common/game_rules/GRLastStoneInEmptyPit';
+export * from './common/game_rules/GRDoubleStoneInPit';
 export * from './common/game_rules/GRClearBoardAtEnd';