diff --git a/Tutorial0_setup/requirements.txt b/Tutorial0_setup/requirements.txt
old mode 100755
new mode 100644
index bcf8941..be9ec94
--- a/Tutorial0_setup/requirements.txt
+++ b/Tutorial0_setup/requirements.txt
@@ -10,7 +10,7 @@ jupyterlab==0.35.4
 jupyterlab-server==0.2.0
 matplotlib==3.0.3
 nbconvert==5.4.1
-nbdime==1.0.5
+nbdime==1.1.1
 nbformat==4.4.0
 notebook==5.7.8
 numpy==1.16.2