diff --git a/requirements.txt b/requirements.txt
index 9773f37..97a4c9e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ docopt==0.6.2
 idna==2.7
 kiwisolver==1.0.1
 matplotlib==2.2.2
-numpy==1.14.5
+numpy==1.22.0
 pyparsing==2.2.0
 python-dateutil==2.7.3
 python-ternary==1.0.4