diff --git a/homeassistant/components/alarmdecoder.py b/homeassistant/components/alarmdecoder.py
index d4948429b81..011cc3ad21d 100644
--- a/homeassistant/components/alarmdecoder.py
+++ b/homeassistant/components/alarmdecoder.py
@@ -15,7 +15,7 @@ from homeassistant.const import EVENT_HOMEASSISTANT_STOP
 from homeassistant.helpers.discovery import async_load_platform
 from homeassistant.helpers.dispatcher import async_dispatcher_send
 
-REQUIREMENTS = ['alarmdecoder==0.12.1.0']
+REQUIREMENTS = ['alarmdecoder==0.12.3']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/requirements_all.txt b/requirements_all.txt
index c11959387b1..a6e559377e9 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -58,7 +58,7 @@ aiolifx_effects==0.1.1
 aiopvapi==1.4
 
 # homeassistant.components.alarmdecoder
-alarmdecoder==0.12.1.0
+alarmdecoder==0.12.3
 
 # homeassistant.components.amcrest
 amcrest==1.2.0