diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 35dcb96..efc512d
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 matplotlib==2.0.2
-numpy==1.13.1
+numpy==1.22.0
 pandas==0.20.3
 seaborn==0.8.1
 jupyterlab-widgets==0.6.15