diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 3a5737f..19e6d47
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 deap==1.2.2
-numpy==1.15.0
+numpy==1.22.0
 pygraphviz==1.5
 matplotlib==2.2.3
 pandas==0.23.0