diff --git a/build/version.props b/build/version.props
index b35d5023064c971de03706d12755653ef6cc32bd..ea501d1f3a6b4185f2c866aee135c071873b6e0c 100644
--- a/build/version.props
+++ b/build/version.props
@@ -1,7 +1,7 @@
 <Project>
 	<PropertyGroup>
 		<VersionMajor>0</VersionMajor>
-		<VersionMinor>8</VersionMinor>
+		<VersionMinor>9</VersionMinor>
 		<VersionPatch>0</VersionPatch>
 		<VersionQuality></VersionQuality>
 		<VersionPrefix>$(VersionMajor).$(VersionMinor).$(VersionPatch)</VersionPrefix>
diff --git a/sample/SkyApm.Sample.AspNet/packages.config b/sample/SkyApm.Sample.AspNet/packages.config
index 6dd6480f6fdc11c2a4419fc8a585776ac7f8a945..d9bc58443e05881ce9b340ea30deea0baa5e73ac 100644
--- a/sample/SkyApm.Sample.AspNet/packages.config
+++ b/sample/SkyApm.Sample.AspNet/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="bootstrap" version="3.3.7" targetFramework="net45" />
+  <package id="bootstrap" version="3.4.1" targetFramework="net45" />
   <package id="Grpc" version="1.12.0" targetFramework="net45" />
   <package id="Grpc.Core" version="1.12.0" targetFramework="net45" />
   <package id="jQuery" version="1.9.1" targetFramework="net45" />