diff --git a/06_SignalR/SignalRSimpleDemo/SignalRSimpleDemo/Web.config b/06_SignalR/SignalRSimpleDemo/SignalRSimpleDemo/Web.config
index 12a1aa2..1b2b2c8 100644
--- a/06_SignalR/SignalRSimpleDemo/SignalRSimpleDemo/Web.config
+++ b/06_SignalR/SignalRSimpleDemo/SignalRSimpleDemo/Web.config
@@ -46,15 +46,15 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Web.Helpers" publicKeyToken="31bf3856ad364e35" />
-        <bindingRedirect oldVersion="1.0.0.0-3.0.0.0" newVersion="3.0.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-3.0.0.0" newVersion="3.0.0.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />
-        <bindingRedirect oldVersion="1.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
+        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Web.WebPages" publicKeyToken="31bf3856ad364e35" />
-        <bindingRedirect oldVersion="1.0.0.0-3.0.0.0" newVersion="3.0.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-3.0.0.0" newVersion="3.0.0.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Microsoft.Owin" publicKeyToken="31bf3856ad364e35" culture="neutral" />
diff --git a/06_SignalR/SignalRSimpleDemo/SignalRSimpleDemo/packages.config b/06_SignalR/SignalRSimpleDemo/SignalRSimpleDemo/packages.config
index 6c0408c..125ed0b 100644
--- a/06_SignalR/SignalRSimpleDemo/SignalRSimpleDemo/packages.config
+++ b/06_SignalR/SignalRSimpleDemo/SignalRSimpleDemo/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Antlr" version="3.4.1.9004" targetFramework="net461" />
-  <package id="bootstrap" version="3.0.0" targetFramework="net461" />
+  <package id="bootstrap" version="5.0.0" targetFramework="net461" />
   <package id="jQuery" version="1.10.2" targetFramework="net461" />
   <package id="jQuery.Validation" version="1.11.1" targetFramework="net461" />
   <package id="Microsoft.ApplicationInsights" version="2.2.0" targetFramework="net461" />