diff --git a/docs/requirements.txt b/docs/requirements.txt
index e594d7ec..66585d2c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1 +1,2 @@
-toml==0.10.2
\ No newline at end of file
+toml==0.10.2
+sphinx-rtd-theme==1.2.2