diff --git a/oauth2/pom.xml b/oauth2/pom.xml
index 50f6f11..145b8d9 100644
--- a/oauth2/pom.xml
+++ b/oauth2/pom.xml
@@ -31,7 +31,7 @@
 		<dependency>
 	      <groupId>org.webjars</groupId>
 	      <artifactId>bootstrap</artifactId>
-	      <version>3.3.5</version>
+	      <version>3.4.1</version>
 	    </dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>