diff --git a/requirements.txt b/requirements.txt
index 124346a..9360964 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ jupyterlab_launcher==0.13.1
 matplotlib==2.2.3
 networkx==2.1
 nltk==3.3.0
-numpy==1.15.1
+numpy==1.22.0
 pandas==0.23.4
 pip==19.2
 scikit-image==0.14.0