diff --git a/requirements-dev.txt b/requirements-dev.txt
index 72405de..b897c89 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,7 +5,7 @@ pytest==5.4.3
 pytest-cov==2.10.0
 pytest-mock==3.1.1
 coverage==5.2
-sphinx==3.1.1
+sphinx==3.1.2
 pep257==0.7.0
 aiohttp-session==2.9.0
 aiopg[sa]==1.0.0