diff --git a/docs/doc-requirements.txt b/docs/doc-requirements.txt
index fbdd21cd9..272e9dfcc 100644
--- a/docs/doc-requirements.txt
+++ b/docs/doc-requirements.txt
@@ -1,3 +1,3 @@
 sphinx>=1.3.6
 sphinx-rtd-theme
-nbsphinx==0.2.14
+nbsphinx