diff --git a/pom.xml b/pom.xml
index a5078c5..919dc6d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,7 @@
 
     <properties>
         <java.version>1.8</java.version>
-        <bootstrap.version>4.2.1</bootstrap.version>
+        <bootstrap.version>4.3.1</bootstrap.version>
         <jquery.version>3.4.1</jquery.version>
         <fontAwesome.version>5.12.0</fontAwesome.version>
     </properties>