diff --git a/requirements.txt b/requirements.txt
index af74d10fbd128b5dcafee46b65100734c8879300..343421afe103d4a76a2edb2937ec9d9bdf8a5830 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ prettytable
 jupyter
 jupyter_console
 metadata_client
-sphinx == 1.8.5
+sphinx == 1.4.5
 dill
 pyyaml
 ipyparallel