http://newsgaze.com/2015/06/30/naruto-gaiden-manga-comes-to-an-end/
http://newsgaze.com/2015/06/30/naruto-gaiden-manga-comes-to-an-end/

The new edition of Shonen Jump magazine revealed that the spin-off manga, Naruto Gaiden: Nanadaime Hokage to Akairo not Hanatsuzuki , came to an end.
The last chapter will be published on 6 July 32 edition of the magazine, which will be accompanied by a central page in color. Introducing the announcement:
As for collections, it will be released on August 4. Naruto Gaiden is focused on family ties, where it shows a plot of the new generation shown in the final chapter of the original manga. It began publication on April 27, 2015.