diff --git a/requirements.txt b/requirements.txt
index 98041bc..674695a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 six == 1.11.0
 matplotlib == 3.0.2
-numpy == 1.15.4
+numpy == 1.22.0
 pandas == 0.23.4
 scipy == 1.2.0
 scikit_learn == 0.20.2