diff --git a/requirements.txt b/requirements.txt
index 2835204..2b4b289 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy == 1.14.2
+numpy == 1.22.0
 scipy == 1.0.1
 xlrd == 1.1.0
 xlwt == 1.3.0