diff --git a/requirements.txt b/requirements.txt
index 927d3c2..1f5feaa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,4 @@ pytest-asyncio==0.5.0
 pytest-catchlog==1.2.2
 pytest-cov==2.4.0
 pytest-mock==1.5.0
-rst2html5-tools==0.5.2
+rst2html5-tools==0.5.3