diff --git a/.appcast.xml b/.appcast.xml
index 407ac71..5ecba02 100644
--- a/.appcast.xml
+++ b/.appcast.xml
@@ -9,6 +9,19 @@
     </link>
     <description>Plugin for favicon generation.</description>
     <language>en</language>
+    <item>
+      <title>Version 1.0.0</title>
+      <description>
+        <![CDATA[
+          <ul>
+          <li>Major update v1.0.0</li>
+          </ul>
+        ]]>
+      </description>
+      <enclosure
+        url="https://github.com/woofwoofinc/sketch-favicon/releases/download/1.0.0/favicon.sketchplugin.zip"
+        sparkle:version="1.0.0"/>
+    </item>
     <item>
       <title>Version 0.1.0</title>
       <description>
diff --git a/package.json b/package.json
index 09fed12..2ba4676 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "sketch-favicon",
   "description": "Sketch plugin for favicon generation.",
-  "version": "0.1.0",
+  "version": "1.0.0",
   "license": "(Apache-2.0 OR MIT)",
   "homepage": "https://github.com/woofwoofinc/sketch-favicon",
   "repository": {
diff --git a/src/conf.py b/src/conf.py
index 5dc2c05..e11135f 100644
--- a/src/conf.py
+++ b/src/conf.py
@@ -6,8 +6,8 @@
 copyright = u'2017, Woof Woof, Inc.'
 author = u'Woof Woof, Inc.'
 
-version = '0.1.0'
-release = '0.1.0'
+version = '1.0.0'
+release = '1.0.0'
 
 templates_path = ['_templates']
 exclude_patterns = ['_build']