diff --git a/requirements.txt b/requirements.txt
index edf9d4d..ebfba1d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.15.2
+numpy==1.22.0
 matplotlib==2.1.2
 scipy==1.1.0
 Flask==1.0.2