diff --git a/requirements_test.txt b/requirements_test.txt
index 0610987..c8c8fc0 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,4 +1,4 @@
-Sphinx==1.6.2
+Sphinx==1.6.3
 sphinx-rtd-theme==0.2.5b1
 pip==9.0.1
 wheel==0.29.0