diff --git a/Mongo_vs_Pandas/requirements.txt b/Mongo_vs_Pandas/requirements.txt
index f10207e..04951c3 100644
--- a/Mongo_vs_Pandas/requirements.txt
+++ b/Mongo_vs_Pandas/requirements.txt
@@ -2,7 +2,7 @@ certifi==2017.7.27.1
 chardet==3.0.4
 contexttimer==0.3.3
 idna==2.6
-numpy==1.13.1
+numpy==1.21.0
 pandas==0.20.3
 plumbum==1.6.3
 python-dateutil==2.6.1