diff --git a/requirements_dev.txt b/requirements_dev.txt
index f09b0313..da366f48 100755
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -3,7 +3,7 @@ wheel==0.31.1
 watchdog==0.9.0
 flake8==3.5.0
 coverage==4.5.1
-Sphinx==1.8.1
+Sphinx==1.8.3
 sphinx-rtd-theme==0.4.1
 twine==1.12.1
 sphinx-autobuild==0.7.1