diff --git a/dyplsapi-20170525/pom.xml b/dyplsapi-20170525/pom.xml
index 6c9303509f..a6a33e6286 100644
--- a/dyplsapi-20170525/pom.xml
+++ b/dyplsapi-20170525/pom.xml
@@ -41,7 +41,7 @@
     <dependency>
       <groupId>com.aliyun</groupId>
       <artifactId>tea-util</artifactId>
-      <version>0.2.16</version>
+      <version>0.2.21</version>
     </dependency>
     <dependency>
       <groupId>com.aliyun</groupId>