diff --git a/requirements.txt b/requirements.txt
index 200515a..401586b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 networkx==2.3
 pandas==0.25.3
 Shapely==1.6.4.post2
-numpy==1.15.4
+numpy==1.22.0
 geopandas==0.6.1
 matplotlib==3.1.1
 scipy==1.3.0