diff --git a/requirements.txt b/requirements.txt
index 5550e71..79dc0e4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ python==3.5
 ipywidgets==7.4.1
 jupyter==1.0.0
 matplotlib==3.0.0
-numpy==1.15.2
+numpy==1.22.0
 pandas==0.23.4
 plotly==4.1.1
 nb_conda_kernels