diff --git a/pom.xml b/pom.xml
index fbec575..d74aa63 100644
--- a/pom.xml
+++ b/pom.xml
@@ -51,17 +51,17 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.4</version>
+            <version>1.2.83_noneautotype</version>
         </dependency>
         <dependency>
             <groupId>commons-collections</groupId>
             <artifactId>commons-collections</artifactId>
-            <version>3.2.1</version>
+            <version>3.2.2</version>
         </dependency>
         <dependency>
             <groupId>opensymphony</groupId>
             <artifactId>oscache</artifactId>
-            <version>2.4</version>
+            <version>2.4.1</version>
             <exclusions>
                 <exclusion>
                     <groupId>javax.servlet</groupId>