diff --git a/viz/requirements.txt b/viz/requirements.txt
index f4eba22..fde948a 100644
--- a/viz/requirements.txt
+++ b/viz/requirements.txt
@@ -1,4 +1,4 @@
 bokeh==1.4.0
 click==7.0
 geopandas==0.7.0
-numpy==1.18.1
+numpy==1.22.0