diff --git a/requirements_dev.txt b/requirements_dev.txt
index 1b28cc9..abe6c4f 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -2,5 +2,5 @@ bumpversion==0.5.3
 coverage==4.4.2
 flake8==3.5.0
 sphinx==1.6.6
-sphinx-rtd-theme==0.2.4 
-tox==3.0.0
\ No newline at end of file
+sphinx-rtd-theme==0.3.0
+tox==3.0.0