diff --git a/docs/requirements.txt b/docs/requirements.txt
index 88cfb57..188c6d1 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,2 +1,2 @@
-Sphinx==1.4.6
-sphinx-rtd-theme==0.1.9
+Sphinx==1.6.2
+sphinx-rtd-theme==0.2.4