diff --git a/requirements.txt b/requirements.txt
index e18cd97..cb3f84e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ kiwisolver==1.1.0
 matplotlib==3.1.1
 mkl-fft==1.0.10
 mkl-random==1.0.2
-numpy==1.15.4
+numpy==1.22.0
 pandas==0.23.4
 pyparsing==2.4.2
 python-dateutil==2.7.5