diff --git a/Hi.Webapi.csproj b/Hi.Webapi.csproj
index f59fb0e..4388dab 100644
--- a/Hi.Webapi.csproj
+++ b/Hi.Webapi.csproj
@@ -10,7 +10,7 @@
     <AssemblyName>Hi.Webapi</AssemblyName>
     <RootNamespace>$(AssemblyName)</RootNamespace>
     <Description>HiNC webapi class library.</Description>
-    <VersionBuild>12</VersionBuild>
+    <VersionBuild>15</VersionBuild>
     <VersionPrefix>3.1.$(VersionBuild)</VersionPrefix>
     <PackageTags>HiAPI</PackageTags>
     <Configurations>Debug;Release</Configurations>