diff --git a/requirements.txt b/requirements.txt
index ed7463a..dedf23a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 click==5.1
 matplotlib==1.4.3
-numpy==1.9.3
+numpy==1.22.0
 pandas==0.16.2
 scikit-learn==0.16.1
 scipy==0.16.0