diff --git a/deep-learning/udacity-deeplearning/intro-to-tflearn/requirements.txt b/deep-learning/udacity-deeplearning/intro-to-tflearn/requirements.txt
old mode 100755
new mode 100644
index 9f1e1ff96..e729bffba
--- a/deep-learning/udacity-deeplearning/intro-to-tflearn/requirements.txt
+++ b/deep-learning/udacity-deeplearning/intro-to-tflearn/requirements.txt
@@ -19,7 +19,7 @@ jupyter-core==4.3.0
 MarkupSafe==1.0
 matplotlib==2.0.0
 mistune==0.7.4
-nbconvert==5.1.1
+nbconvert==6.5.1
 nbformat==4.3.0
 notebook==4.4.1
 numpy==1.12.1