diff --git a/requirements.txt b/requirements.txt
index 2abf56a..3780133 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ giotto-time==0.2.0
 pandas==0.25.3
 plotly==4.1.0
 scikit-learn==0.22
-numpy==1.18.0
+numpy==1.22.0
 jupyter