diff --git a/CHANGELOG.md b/CHANGELOG.md
index acecf76..a795e3a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## ??/??/2020 - v0.9.0.0
+## 10/22/2020 - v1.0.0.0
 
 * (Add) Multi-OS with Linux and MacOS support
 * (Add) Themes support
diff --git a/UVtools.Installer/UVtools.Installer.wixproj b/UVtools.Installer/UVtools.Installer.wixproj
index d8b77b4..c5c3b02 100644
--- a/UVtools.Installer/UVtools.Installer.wixproj
+++ b/UVtools.Installer/UVtools.Installer.wixproj
@@ -14,7 +14,7 @@
     <!-- If MSIProductVersion still not known, try to get it from TFBuild Environments (V.Next Builds)-->
     <MSIProductVersion Condition=" '$(MSIProductVersion)' == '' ">$([System.Text.RegularExpressions.Regex]::Match($(BUILD_BUILDNUMBER), "\d+.\d+.\d+.\d+"))</MSIProductVersion>
     <!-- If MSIProductVersion still not known, default to lowerbound 0.0.1 for developer builds.-->
-    <MSIProductVersion Condition=" '$(MSIProductVersion)' == '' ">0.0.1</MSIProductVersion>
+    <MSIProductVersion Condition=" '$(MSIProductVersion)' == '' ">1.0.0</MSIProductVersion>
     <!-- The following allows one cert to be referenced from the certificate store for self-signing in localbuilds and another cert to be passed in during official builds. -->
     <AppxCertificateThumbprint Condition=" '$(AppxCertificateThumbprint)' == '' ">
     </AppxCertificateThumbprint>