diff --git a/Samples/WebHooks.List/SharePoint.WebHooks.MVCWeb/packages.config b/Samples/WebHooks.List/SharePoint.WebHooks.MVCWeb/packages.config
index dc9b717b..80d65f64 100644
--- a/Samples/WebHooks.List/SharePoint.WebHooks.MVCWeb/packages.config
+++ b/Samples/WebHooks.List/SharePoint.WebHooks.MVCWeb/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="Antlr" version="3.4.1.9004" targetFramework="net45" />
   <package id="AppForSharePointOnlineWebToolkit" version="3.1.2" targetFramework="net45" />
-  <package id="bootstrap" version="3.0.0" targetFramework="net45" />
+  <package id="bootstrap" version="3.4.1" targetFramework="net45" />
   <package id="EntityFramework" version="6.1.3" targetFramework="net45" />
   <package id="jQuery" version="1.10.2" targetFramework="net45" />
   <package id="jQuery.Validation" version="1.11.1" targetFramework="net45" />