diff --git a/requirements.txt b/requirements.txt
index 9e794bb..29392d2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ haversine==2.0.0
 Jinja2==2.10
 matplotlib==2.2.2
 numba==0.42.0
-numpy==1.15.4
+numpy==1.22.0
 pandas==0.23.4
 pandocfilters==1.4.2
 pickleshare==0.7.5