diff --git a/maven-sample/pom.xml b/maven-sample/pom.xml
index f79c781..df4c0e9 100644
--- a/maven-sample/pom.xml
+++ b/maven-sample/pom.xml
@@ -22,7 +22,7 @@
 
         <!-- Web dependencies -->
         <!-- Version update should also be done in wro.xml, petclinic.less and static resources: htmlHeader.tag and footer.tag-->
-        <webjars-bootstrap.version>3.3.6</webjars-bootstrap.version>
+        <webjars-bootstrap.version>3.4.1</webjars-bootstrap.version>
         <webjars-jquery-ui.version>1.11.4</webjars-jquery-ui.version>
         <webjars-jquery.version>2.2.4</webjars-jquery.version>
         <wro4j.version>1.8.0</wro4j.version>