diff --git a/Tutorial0_setup/requirements.txt b/Tutorial0_setup/requirements.txt
old mode 100755
new mode 100644
index bcf8941..1b7fe67
--- a/Tutorial0_setup/requirements.txt
+++ b/Tutorial0_setup/requirements.txt
@@ -13,7 +13,7 @@ nbconvert==5.4.1
 nbdime==1.0.5
 nbformat==4.4.0
 notebook==5.7.8
-numpy==1.16.2
+numpy==1.22.0
 Pillow==6.0.0
 scipy==1.2.1
 six==1.12.0