diff --git a/src/Website/packages.config b/src/Website/packages.config
index 7b3d21c..8d712b0 100644
--- a/src/Website/packages.config
+++ b/src/Website/packages.config
@@ -3,7 +3,7 @@
   <package id="AngularJS.Animate" version="1.4.6" targetFramework="net46" />
   <package id="AngularJS.Core" version="1.4.6" targetFramework="net46" />
   <package id="Antlr" version="3.4.1.9004" targetFramework="net45" />
-  <package id="bootstrap" version="3.4.1" targetFramework="net46" />
+  <package id="bootstrap" version="4.6.0" targetFramework="net46" />
   <package id="bootstrap-select" version="1.7.2" targetFramework="net45" />
   <package id="EntityFramework" version="6.1.3" targetFramework="net45" />
   <package id="IdentityModel" version="1.10.0" targetFramework="net46" />