diff --git a/Changelog.md b/Changelog.md
index 2de71b6..46d9670 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,6 +1,6 @@
 # Changelog for MetroRadiance.Fork
 
-## 3.1.1-preview MetroRadiance
+## 3.1.1 MetroRadiance
 
 - ### Breaking changes
   - none
diff --git a/samples/MetroRadiance.Showcase/MetroRadiance.Showcase.csproj b/samples/MetroRadiance.Showcase/MetroRadiance.Showcase.csproj
index ba615e0..e668eef 100644
--- a/samples/MetroRadiance.Showcase/MetroRadiance.Showcase.csproj
+++ b/samples/MetroRadiance.Showcase/MetroRadiance.Showcase.csproj
@@ -3,10 +3,10 @@
   <PropertyGroup>
     <TargetFrameworks>net452;net462;netcoreapp3.1</TargetFrameworks>
     <UseWPF>true</UseWPF>
-    <AssemblyVersion>3.1.0.6130</AssemblyVersion>
-    <FileVersion>3.1.0.6130</FileVersion>
+    <AssemblyVersion>3.1.1.6140</AssemblyVersion>
+    <FileVersion>3.1.1.6140</FileVersion>
 
-    <Version>3.1.0</Version>
+    <Version>3.1.1</Version>
     <Company>nishy software</Company>
     <Authors>nishy software</Authors>
     <PackageTags>WPF Theme Dark Light Managed C# Metro Radiance MetroRadiance</PackageTags>
@@ -18,10 +18,13 @@
     <Copyright>©2020, 2021 nishy software / ©2014-2017 Manato KAMEYA</Copyright>
     <PackageId>MetroRadiance.Fork.Showcase</PackageId>
     <PackageReleaseNotes>
+      Changes from 3.1.0
+      - Update MetroRadiance.Fork 3.1.0 to 3.1.1
       Changes from 3.0.0
       - Add DataGrid samples in the control sample page
 
-      Limitations
+      Limitations from 3.0.0
+      No changes
       - When moving windows using metro:AcrylicBlurWindow, the move process is very slow on Windows 10 1903 (Build 18362, May 2019 Update) or later
     </PackageReleaseNotes>
     <OutputType>WinExe</OutputType>
diff --git a/source/MetroRadiance/MetroRadiance.csproj b/source/MetroRadiance/MetroRadiance.csproj
index 3f279f3..5d3afa0 100644
--- a/source/MetroRadiance/MetroRadiance.csproj
+++ b/source/MetroRadiance/MetroRadiance.csproj
@@ -6,7 +6,7 @@
     <AssemblyVersion>3.1.1.6140</AssemblyVersion>
     <FileVersion>3.1.1.6140</FileVersion>
     <RootNamespace>MetroRadiance</RootNamespace>
-    <Version>3.1.1-alpha00</Version>
+    <Version>3.1.1</Version>
     <Company>nishy software</Company>
     <Authors>nishy software</Authors>
     <PackageTags>WPF Theme Dark Light Managed C# Metro Radiance MetroRadiance</PackageTags>
@@ -27,7 +27,8 @@
       - Fix an issue that ComboBox appearance and UWP brushes may not follow dynamic changes in theme
       - Change then name of the resource keys added in Version 3.0.
 
-      Limitations
+      Limitations from 3.0.0
+      No changes
       - When moving windows using AcrylicBlurWindow class, the move process is very slow on Windows 10 1903 (Build 18362, May 2019 Update) or later
     </PackageReleaseNotes>
     <Configurations>Debug;Release;Release RETRO</Configurations>