diff --git a/requirements.txt b/requirements.txt
index 1ccc931..1959089 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 ipympl==0.4.1
 ipywidgets==7.5.1
 matplotlib==3.1.3
-numpy==1.18.1
+numpy==1.22.0