diff --git a/requirements.txt b/requirements.txt
index 0dcc017..92e3869 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 pandas==0.23.4
-numpy==1.13.1
+numpy==1.21.0
 geopandas==0.4.0
 folium==0.6.0
 ipywidgets==7.4.0