Update README.md

Author: dyc87112

README.md

@@ -25,7 +25,7 @@
 <dependency>
 <groupId>com.spring4all</groupId>
 <artifactId>swagger-spring-boot-starter</artifactId>
-<version>1.9.0.RELEASE</version>
+<version>1.9.1.RELEASE</version>
 </dependency>
 ```