diff --git a/DataflowSignalrAngularDemo/SignalrAngularClient/packages.config b/DataflowSignalrAngularDemo/SignalrAngularClient/packages.config
index d58645a..a429c24 100644
--- a/DataflowSignalrAngularDemo/SignalrAngularClient/packages.config
+++ b/DataflowSignalrAngularDemo/SignalrAngularClient/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="AngularJS.Core" version="1.6.2" targetFramework="net461" />
   <package id="Antlr" version="3.5.0.2" targetFramework="net461" />
-  <package id="bootstrap" version="3.3.7" targetFramework="net461" />
+  <package id="bootstrap" version="3.4.1" targetFramework="net461" />
   <package id="EntityFramework" version="6.1.3" targetFramework="net461" />
   <package id="jQuery" version="3.1.1" targetFramework="net461" />
   <package id="jQuery.Validation" version="1.16.0" targetFramework="net461" />