1 files changed, 1 insertions, 0 deletions

diff --git a/rtd.txt b/rtd.txt
index 142b6ca35..62b070a83 100644
--- a/rtd.txt
+++ b/rtd.txt
@@ -1 +1,2 @@
 -e .[docs]
+git+https://github.com/sphinx-doc/sphinx.git@222a51e0cf0080b74f3a8a233590c707ee4eec32#egg=sphinx-222a51e0cf0080b74f3a8a233590c707ee4eec32