diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7e48abe..ec1827a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,7 +5,7 @@ pytest==6.0.1
 pytest-cov==2.10.0
 pytest-mock==3.2.0
 coverage==5.2.1
-sphinx==3.1.2
+sphinx==3.2.0
 pep257==0.7.0
 aiohttp-session==2.9.0
 aiopg[sa]==1.0.0