diff --git a/ai_for_trading/project_4/requirements.txt b/ai_for_trading/project_4/requirements.txt
index 07069ec..3f367b6 100644
--- a/ai_for_trading/project_4/requirements.txt
+++ b/ai_for_trading/project_4/requirements.txt
@@ -13,5 +13,5 @@ scipy==1.0.0
 scikit-learn==0.19.1
 six==1.11.0
 tables==3.3.0
-tqdm==4.19.5
+tqdm==4.66.3
 zipline===1.2.0