diff --git a/Hi.Wpf.csproj b/Hi.Wpf.csproj
index 0693fe3..73aa59c 100644
--- a/Hi.Wpf.csproj
+++ b/Hi.Wpf.csproj
@@ -12,7 +12,7 @@
 			HiAPI samples for windows platform.
 		</Description>
     <Configurations>Debug;Release</Configurations>
-    <VersionBuild>19</VersionBuild>
+    <VersionBuild>20</VersionBuild>
     <VersionPrefix>1.4.$(VersionBuild)</VersionPrefix>
     <PackageTags>HiAPI</PackageTags>
     <RuntimeIdentifiers>win-x64</RuntimeIdentifiers>