diff --git a/_AVR_TECHNOLOGIES/AVRTechnologies/packages.config b/_AVR_TECHNOLOGIES/AVRTechnologies/packages.config
index b3ca5d59..ea9fb68b 100644
--- a/_AVR_TECHNOLOGIES/AVRTechnologies/packages.config
+++ b/_AVR_TECHNOLOGIES/AVRTechnologies/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Antlr" version="3.5.0.2" targetFramework="net45" />
-  <package id="bootstrap" version="4.1.1" targetFramework="net45" />
+  <package id="bootstrap" version="4.3.1" targetFramework="net45" />
   <package id="jQuery" version="3.3.1" targetFramework="net45" />
   <package id="jQuery.Validation" version="1.17.0" targetFramework="net45" />
   <package id="Microsoft.ApplicationInsights" version="2.6.4" targetFramework="net45" />