diff --git a/coroutine/pom.xml b/coroutine/pom.xml
index a817f43..7fff580 100644
--- a/coroutine/pom.xml
+++ b/coroutine/pom.xml
@@ -80,7 +80,7 @@
         <dependency>
             <groupId>org.webjars</groupId>
             <artifactId>bootstrap</artifactId>
-            <version>3.3.7</version>
+            <version>5.0.0</version>
         </dependency>
         <dependency>
             <groupId>de.flapdoodle.embed</groupId>