diff --git a/BlockchainMainServer/pom.xml b/BlockchainMainServer/pom.xml
index cbef5de..4d4b316 100644
--- a/BlockchainMainServer/pom.xml
+++ b/BlockchainMainServer/pom.xml
@@ -12,7 +12,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.16</version>
+            <version>8.0.28</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>