diff --git a/homeassistant/components/notify/slack.py b/homeassistant/components/notify/slack.py
index 10564609390..780a27b9795 100644
--- a/homeassistant/components/notify/slack.py
+++ b/homeassistant/components/notify/slack.py
@@ -13,7 +13,7 @@ from homeassistant.components.notify import (
 from homeassistant.const import CONF_API_KEY
 import homeassistant.helpers.config_validation as cv
 
-REQUIREMENTS = ['slacker==0.9.24']
+REQUIREMENTS = ['slacker==0.9.25']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/requirements_all.txt b/requirements_all.txt
index 8304eb43ae4..c98da7d6b1f 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -425,7 +425,7 @@ scsgate==0.1.0
 sendgrid==3.2.10
 
 # homeassistant.components.notify.slack
-slacker==0.9.24
+slacker==0.9.25
 
 # homeassistant.components.notify.xmpp
 sleekxmpp==1.3.1