diff --git a/rxjava3/pom.xml b/rxjava3/pom.xml
index 5b164c3..c243466 100644
--- a/rxjava3/pom.xml
+++ b/rxjava3/pom.xml
@@ -78,7 +78,7 @@
         <dependency>
             <groupId>org.webjars</groupId>
             <artifactId>bootstrap</artifactId>
-            <version>3.3.7</version>
+            <version>5.0.0</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>