diff --git a/src/spring-petclinic-messaging-emulator/pom.xml b/src/spring-petclinic-messaging-emulator/pom.xml
index d75d66b..d48dcc2 100644
--- a/src/spring-petclinic-messaging-emulator/pom.xml
+++ b/src/spring-petclinic-messaging-emulator/pom.xml
@@ -11,7 +11,7 @@
     </parent>
 
     <properties>
-        <webjars-bootstrap.version>3.3.7-1</webjars-bootstrap.version>
+        <webjars-bootstrap.version>3.4.0</webjars-bootstrap.version>
         <webjars-jquery.version>3.6.0</webjars-jquery.version>
         <webjars-angular.version>1.8.2</webjars-angular.version>
         <webjars-angular-ui-router.version>1.0.20</webjars-angular-ui-router.version>