diff --git a/The application/SemanticWebNPLSearchEngine/packages.config b/The application/SemanticWebNPLSearchEngine/packages.config
index e515a8d..fa10cd0 100644
--- a/The application/SemanticWebNPLSearchEngine/packages.config	
+++ b/The application/SemanticWebNPLSearchEngine/packages.config	
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Antlr" version="3.5.0.2" targetFramework="net452" />
-  <package id="bootstrap" version="4.0.0" targetFramework="net452" />
+  <package id="bootstrap" version="4.3.1" targetFramework="net452" />
   <package id="dotNetRDF" version="2.0.1" targetFramework="net452" />
   <package id="EntityFramework" version="6.2.0" targetFramework="net452" />
   <package id="HtmlAgilityPack" version="1.7.2" targetFramework="net452" />