diff --git a/requirements.txt b/requirements.txt
index 981f0f2..d4bd55f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 # to handle data
 pandas==0.24.2
-numpy==1.16.1
+numpy==1.22.0
 
 # to plot data
 matplotlib==3.0.3