diff --git a/docs/requirements-rtd.txt b/docs/requirements-rtd.txt
index daeddff..fa73117 100644
--- a/docs/requirements-rtd.txt
+++ b/docs/requirements-rtd.txt
@@ -1,2 +1,2 @@
 sphinxcontrib-napoleon
-# sphinx_rtd_theme  # you'll need sphinx_rtd_theme for local dev
+sphinx-rtd-theme