diff --git a/pom.xml b/pom.xml
index 1c3f512..6233416 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,7 +48,7 @@
         <dependency>
             <groupId>org.webjars</groupId>
             <artifactId>bootstrap</artifactId>
-            <version>3.3.7</version>
+            <version>5.0.0</version>
         </dependency>
 
         <!--markdown to html-->