diff --git a/requirements.txt b/requirements.txt
index 63dfeb3..5080e9b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 dbfread==2.0.7
 geojson==2.4.1
-numpy==1.16.4
+numpy==1.22.0
 pandas==0.24.2
 pyproj==1.9.6
 python-dateutil==2.8.0