diff --git a/requirements.txt b/requirements.txt
index b6cab97..e24d87c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.15.1
+numpy==1.22.0
 scipy==1.1.0
 matplotlib==2.0.2
 sklearn==0.18.1