diff --git a/Quiz/m3_funds_etfs_portfolio_optimization/l4_portfolio_optimization/requirements.txt b/Quiz/m3_funds_etfs_portfolio_optimization/l4_portfolio_optimization/requirements.txt
index f2f266c..965dc21 100644
--- a/Quiz/m3_funds_etfs_portfolio_optimization/l4_portfolio_optimization/requirements.txt
+++ b/Quiz/m3_funds_etfs_portfolio_optimization/l4_portfolio_optimization/requirements.txt
@@ -1,7 +1,7 @@
 colour==0.1.5
 cvxpy==1.0.3
 cycler==0.10.0
-numpy==1.14.5
+numpy==1.22.0
 pandas==0.21.1
 plotly==2.2.3
 pyparsing==2.2.0