diff --git a/Flexmonster Accelerator MVC/packages.config b/Flexmonster Accelerator MVC/packages.config
index 73d92c7..e4454e3 100644
--- a/Flexmonster Accelerator MVC/packages.config	
+++ b/Flexmonster Accelerator MVC/packages.config	
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <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="Flexmonster.Accelerator" version="2.8.30.1" targetFramework="net461" />
   <package id="jQuery" version="3.3.1" targetFramework="net461" />
   <package id="jQuery.Validation" version="1.17.0" targetFramework="net461" />