diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index 243c6d418df..3f34f943ae6 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -9,7 +9,7 @@ aiohttp==2.3.7
 yarl==0.18.0
 async_timeout==2.0.0
 chardet==3.0.4
-astral==1.4
+astral==1.5
 certifi>=2017.4.17
 
 # Breaks Python 3.6 and is not needed for our supported Pythons
diff --git a/requirements_all.txt b/requirements_all.txt
index 2da73daca70..93fa176bb63 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -10,7 +10,7 @@ aiohttp==2.3.7
 yarl==0.18.0
 async_timeout==2.0.0
 chardet==3.0.4
-astral==1.4
+astral==1.5
 certifi>=2017.4.17
 
 # homeassistant.components.nuimo_controller
diff --git a/setup.py b/setup.py
index 4b19e47fb2c..80458beb25f 100755
--- a/setup.py
+++ b/setup.py
@@ -57,7 +57,7 @@ REQUIRES = [
     'yarl==0.18.0',
     'async_timeout==2.0.0',
     'chardet==3.0.4',
-    'astral==1.4',
+    'astral==1.5',
     'certifi>=2017.4.17',
 ]