diff --git a/BubbleTG/BubbleTg02/pom.xml b/BubbleTG/BubbleTg02/pom.xml
index 9501604e..c4628640 100644
--- a/BubbleTG/BubbleTg02/pom.xml
+++ b/BubbleTG/BubbleTg02/pom.xml
@@ -9,7 +9,7 @@
     <version>1.0-SNAPSHOT</version>
     <packaging>war</packaging>
     <properties>
-        <spring.version>5.0.2.RELEASE</spring.version>
+        <spring.version>5.2.20.RELEASE</spring.version>
         <slf4j.version>1.6.6</slf4j.version>
         <log4j.version>1.2.12</log4j.version>
         <mysql.version>5.1.6</mysql.version>