diff --git a/requirements.txt b/requirements.txt
index 19168da..92ce88d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 -e .
 -r requirements-qa.txt
 -r requirements-test.txt
-sphinx_rtd_theme==0.5.0
+sphinx_rtd_theme==0.5.1
 tox==3.20.1