diff --git a/doc/requirements.txt b/doc/requirements.txt
index 79fdcfa73..53b9db0c6 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,4 +1,4 @@
-sphinx
+sphinx>=1.1.2
 sphinxcontrib-httpdomain
 -r ../requirements.txt
 -r ../test-requirements.txt