[ISSUE #368] Upgrade starter version. (#369)

Co-authored-by: zhangjidi2016 <zhangjidi@cmss.chinamobile.com>
diff --git a/rocketmq-spring-boot-samples/pom.xml b/rocketmq-spring-boot-samples/pom.xml
index 87ae227..dbca13e 100644
--- a/rocketmq-spring-boot-samples/pom.xml
+++ b/rocketmq-spring-boot-samples/pom.xml
@@ -40,7 +40,7 @@
     <properties>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <rocketmq-spring-boot-starter-version>2.2.0</rocketmq-spring-boot-starter-version>
+        <rocketmq-spring-boot-starter-version>2.2.1-SNAPSHOT</rocketmq-spring-boot-starter-version>
     </properties>
 
     <dependencies>