diff --git a/pom.xml b/pom.xml
index 44f8976..6313f0a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -56,18 +56,18 @@
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-			<version>18.0</version>
+			<version>32.0.1-jre</version>
 		</dependency>
 
 		<dependency>
 			<groupId>io.springfox</groupId>
 			<artifactId>springfox-swagger2</artifactId>
-			<version>2.8.0</version>
+			<version>3.0.0</version>
 		</dependency>
 		<dependency>
 			<groupId>io.springfox</groupId>
 			<artifactId>springfox-swagger-ui</artifactId>
-			<version>2.8.0</version>
+			<version>2.10.0</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.commons</groupId>
@@ -77,7 +77,7 @@
 		<dependency>
 			<groupId>com.qcloud</groupId>
 			<artifactId>cos_api</artifactId>
-			<version>5.2.4</version>
+			<version>5.6.240</version>
 		</dependency>
 	</dependencies>