1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 150589b7..40a8ba5e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,7 +12,7 @@ setenv =
 [testenv:docs]
 basepython = python3.5
 deps =
-  sphinx
+  sphinx<1.7.7
   sphinx-rtd-theme
 changedir = docs
 commands = sphinx-build -a -W -T -b html -d {envtmpdir}/doctrees . {envtmpdir}/html