diff --git a/requirements_all.txt b/requirements_all.txt
index 605bc2b0de9..07943439eb6 100755
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -6,7 +6,7 @@ pip>=7.0.0
 jinja2>=2.8
 voluptuous==0.9.3
 typing>=3,<4
-aiohttp==1.3
+aiohttp==1.3.1
 async_timeout==1.1.0
 
 # homeassistant.components.nuimo_controller
diff --git a/setup.py b/setup.py
index b9d5d3460fb..b6b679315e1 100755
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@ REQUIRES = [
     'jinja2>=2.8',
     'voluptuous==0.9.3',
     'typing>=3,<4',
-    'aiohttp==1.3',
+    'aiohttp==1.3.1',
     'async_timeout==1.1.0',
 ]