diff --git a/docs/requirements.txt b/docs/requirements.txt
index a5db0b4e..f3d7eb4d 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,3 @@
 alabaster==0.7.12
 Sphinx==3.4.1
-sphinx-rtd-theme==0.5.0
+sphinx-rtd-theme==0.5.1