diff --git a/pom.xml b/pom.xml
index b50145f..cb0d323 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.1.5.RELEASE</version>
+        <version>2.1.6.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>com.common.base</groupId>
@@ -70,7 +70,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.59</version>
+            <version>1.2.70</version>
         </dependency>
         <dependency>
             <groupId>com.github.xiaoymin</groupId>
@@ -123,12 +123,16 @@
             <artifactId>commons-pool2</artifactId>
             <version>2.6.2</version>
         </dependency>
-        <!-- https://mvnrepository.com/artifact/commons-codec/commons-codec -->
         <dependency>
             <groupId>commons-codec</groupId>
             <artifactId>commons-codec</artifactId>
             <version>1.14</version>
         </dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>25.1-jre</version>
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>