diff --git a/pom.xml b/pom.xml
index bd81d97..95e27f0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,7 +52,7 @@
 		<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>
-			<version>8.0.12</version>
+			<version>5.1.30</version>
 		</dependency>
 
 		<!-- json -->