diff --git a/requirements_dev.txt b/requirements_dev.txt
index 0671ad4..5724404 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -13,4 +13,4 @@ pytest-runner>=2.11.1
 pylama
 jupyter
 ipython
-sphinx_rtd_theme
+sphinx_rtd_theme==0.2.4