diff --git a/pom.xml b/pom.xml
index 56cf514..7c47c14 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,25 +5,25 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.1.4.RELEASE</version>
+        <version>2.1.5.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>top.yunshu</groupId>
     <artifactId>shw_server</artifactId>
-    <version>1.8.1-RELEASE</version>
+    <version>1.8.2-RELEASE</version>
     <name>shw_server</name>
     <description>Student HomeWork Management System</description>
 
     <properties>
         <java.version>1.8</java.version>
         <jjwt.version>0.9.1</jjwt.version>
-        <modelmapper.version>2.3.2</modelmapper.version>
+        <modelmapper.version>2.3.4</modelmapper.version>
         <cas.spring.boot.starter.version>1.1.0-RELEASE</cas.spring.boot.starter.version>
         <springfox.version>2.9.2</springfox.version>
-        <jib.maven.plugin.version>1.0.2</jib.maven.plugin.version>
+        <jib.maven.plugin.version>1.2.0</jib.maven.plugin.version>
         <common.io.version>2.6</common.io.version>
         <itning.aspose.version>1.0.0</itning.aspose.version>
-        <spring-boot-admin.version>2.1.3</spring-boot-admin.version>
+        <spring-boot-admin.version>2.1.5</spring-boot-admin.version>
     </properties>
 
     <dependencies>