diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index 3bef086d70a..25d6c587277 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -1,7 +1,7 @@
 aiohttp==3.5.4
 astral==1.10.1
 async_timeout==3.0.1
-attrs==18.2.0
+attrs==19.1.0
 bcrypt==3.1.6
 certifi>=2018.04.16
 jinja2>=2.10
diff --git a/requirements_all.txt b/requirements_all.txt
index 10e8e52dced..24371f3d0f6 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2,7 +2,7 @@
 aiohttp==3.5.4
 astral==1.10.1
 async_timeout==3.0.1
-attrs==18.2.0
+attrs==19.1.0
 bcrypt==3.1.6
 certifi>=2018.04.16
 jinja2>=2.10
diff --git a/setup.py b/setup.py
index 6f67f93d3e2..4f1e3a6eb71 100755
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,7 @@ REQUIRES = [
     'aiohttp==3.5.4',
     'astral==1.10.1',
     'async_timeout==3.0.1',
-    'attrs==18.2.0',
+    'attrs==19.1.0',
     'bcrypt==3.1.6',
     'certifi>=2018.04.16',
     'jinja2>=2.10',