diff --git a/requirements.txt b/requirements.txt
index 26ff3f1..2b77b84 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 matplotlib==3.0.0
-numpy==1.15.3
+numpy==1.22.0
 pandas==0.23.4
 scipy==1.1.0
 statsmodels==0.9.0