diff --git a/implementation/common/pom.xml b/implementation/common/pom.xml
old mode 100755
new mode 100644
index ae5bb53..5cf0c64
--- a/implementation/common/pom.xml
+++ b/implementation/common/pom.xml
@@ -70,7 +70,7 @@ FOL formulas, relation algebra, etc.
 		<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>
-			<version>5.1.30</version>
+			<version>8.0.16</version>
 			<scope>runtime</scope>
 		</dependency>
 		<dependency>