diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index 43de2a54dbb738bc807fae5a0701bd7fedb731f6..ef34bd15319957d7fc6f7c45099c036378a86ce5 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -6,7 +6,7 @@ jinja2>=2.9.6
 voluptuous==0.10.5
 typing>=3,<4
 aiohttp==2.2.5
-async_timeout==1.3.0
+async_timeout==1.4.0
 chardet==3.0.4
 astral==1.4
 
diff --git a/requirements_all.txt b/requirements_all.txt
index 8139567de9cb616261def5c2c2ecc92ab29d14e5..e23c6aaaf5537f8a1fd08df3cefe25430f21cdcb 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -7,7 +7,7 @@ jinja2>=2.9.6
 voluptuous==0.10.5
 typing>=3,<4
 aiohttp==2.2.5
-async_timeout==1.3.0
+async_timeout==1.4.0
 chardet==3.0.4
 astral==1.4
 
diff --git a/setup.py b/setup.py
index 63f77820ca70dee4badc1b09441eef6eda8d6fe9..ce5b49d4232e9656c1b3615ec56ae9db8cc6324d 100755
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@ REQUIRES = [
     'voluptuous==0.10.5',
     'typing>=3,<4',
     'aiohttp==2.2.5',
-    'async_timeout==1.3.0',
+    'async_timeout==1.4.0',
     'chardet==3.0.4',
     'astral==1.4',
 ]