diff --git a/bin/NMF/requirements.txt b/bin/NMF/requirements.txt
old mode 100755
new mode 100644
index 08c77fd..9425a99
--- a/bin/NMF/requirements.txt
+++ b/bin/NMF/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.15.4
+numpy==1.22.0
 scipy==1.1.0
 scikit-learn==0.20.1
 matplotlib==3.0.2