diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index c58da72..3d7f46d
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 pydotplus==2.0.2
 scipy==0.19.1
 matplotlib==2.1.0
-numpy==1.14.1
+numpy==1.22.0
 scikit-learn==0.19.2