diff --git a/Hi.WpfPlus.csproj b/Hi.WpfPlus.csproj
index ad097b2..2260989 100644
--- a/Hi.WpfPlus.csproj
+++ b/Hi.WpfPlus.csproj
@@ -12,7 +12,7 @@
 			HiAPI wpf canvas.
 		</Description>
     <Configurations>Debug;Release</Configurations>
-    <VersionBuild>120</VersionBuild>
+    <VersionBuild>121</VersionBuild>
     <VersionPrefix>3.1.$(VersionBuild)</VersionPrefix>
     <PackageId>Hi.WpfPlus</PackageId>
     <PackageTags>HiAPI</PackageTags>