diff --git a/requirements.txt b/requirements.txt
index 92a3bb5..986371e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.18.1
+numpy==1.22.0
 scipy==1.4.1 
 pandas==0.24.0
 matplotlib==3.1.3