diff --git a/requirements.txt b/requirements.txt
index 94cd21e..0a85497 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ backports.functools-lru-cache==1.4
 cycler==0.10.0
 joblib==0.11
 matplotlib==2.1.0
-numpy==1.13.3
+numpy==1.22.0
 pyparsing==2.2.0
 python-dateutil==2.6.1
 pytz==2017.3