diff --git a/pom.xml b/pom.xml
index 9f44a37..2e9edec 100644
--- a/pom.xml
+++ b/pom.xml
@@ -65,7 +65,7 @@
             <dependency>
                 <groupId>org.webjars</groupId>
                 <artifactId>bootstrap</artifactId>
-                <version>3.1.0</version>
+                <version>3.4.0</version>
             </dependency>
 
         <dependency>