diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index 5314f2aa218..f2ea6e743c4 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -7,4 +7,4 @@ voluptuous==0.9.3
 typing>=3,<4
 aiohttp==2.0.7
 async_timeout==1.2.0
-chardet==2.3
+chardet==3.0.2
diff --git a/requirements_all.txt b/requirements_all.txt
index 1432545bcfd..116099177ac 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -8,7 +8,7 @@ voluptuous==0.9.3
 typing>=3,<4
 aiohttp==2.0.7
 async_timeout==1.2.0
-chardet==2.3
+chardet==3.0.2
 
 # homeassistant.components.nuimo_controller
 --only-binary=all http://github.com/getSenic/nuimo-linux-python/archive/29fc42987f74d8090d0e2382e8f248ff5990b8c9.zip#nuimo==1.0.0
diff --git a/setup.py b/setup.py
index c7a4eaa821c..05f117652d1 100755
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@ REQUIRES = [
     'typing>=3,<4',
     'aiohttp==2.0.7',
     'async_timeout==1.2.0',
-    'chardet==2.3'
+    'chardet==3.0.2'
 ]
 
 setup(