diff --git a/pom.xml b/pom.xml
index 1349e73..39ebef1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -229,15 +229,27 @@
 <!--    </dependency>-->
 
     <!-- Database -->
+<!-- mysql 5.X -->
+<!--    <dependency>-->
+<!--        <groupId>mysql</groupId>-->
+<!--        <artifactId>mysql-connector-java</artifactId>-->
+<!--        <version>5.1.31</version>-->
+<!--    </dependency>-->
+<!--    <dependency>-->
+<!--        <groupId>commons-dbcp</groupId>-->
+<!--        <artifactId>commons-dbcp</artifactId>-->
+<!--        <version>1.4</version>-->
+<!--    </dependency>-->
+<!-- mysql 8.4.7 -->
     <dependency>
-        <groupId>mysql</groupId>
-        <artifactId>mysql-connector-java</artifactId>
-        <version>5.1.31</version>
+        <groupId>com.mysql</groupId>
+        <artifactId>mysql-connector-j</artifactId>
+        <version>8.4.0</version>
     </dependency>
     <dependency>
-        <groupId>commons-dbcp</groupId>
-        <artifactId>commons-dbcp</artifactId>
-        <version>1.4</version>
+        <groupId>commons-pool</groupId>
+        <artifactId>commons-pool</artifactId>
+        <version>1.6</version>
     </dependency>
 
     <!-- Logging (Log4j 2 + SLF4J) -->
diff --git a/src/main/resources/egovframework/egovProps/globals-dev.properties b/src/main/resources/egovframework/egovProps/globals-dev.properties
index 6acecd2..8fc4ee4 100644
--- a/src/main/resources/egovframework/egovProps/globals-dev.properties
+++ b/src/main/resources/egovframework/egovProps/globals-dev.properties
@@ -27,11 +27,18 @@ Globals.DbType =mysql
 #Globals.Password =sksrhdqnffkr
 
 ## \uC138\uC774\uD5EC\uD504\uB370\uC2A4\uD06C
-Globals.DriverClassName=com.mysql.jdbc.Driver
+# mysql 5.X
+#Globals.DriverClassName=com.mysql.jdbc.Driver
+# mysql 8.4.7
+Globals.DriverClassName=com.mysql.cj.jdbc.Driver
+
 #\uC6B4\uC601
 #Globals.Url=jdbc:mysql://192.168.0.217:3306/helpdesk_db?characterEncoding=utf8
 #\uAC1C\uBC1C
-Globals.Url=jdbc:mysql://192.168.0.114:13314/helpdesk_db?characterEncoding=utf8
+## mysql 5.X
+##Globals.Url=jdbc:mysql://192.168.0.114:13316/helpdesk_db?characterEncoding=utf8
+## mysql 8.4.7
+Globals.Url=jdbc:mysql://192.168.0.114:13316/helpdesk_db?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=Asia/Seoul&characterEncoding=utf8mb4
 Globals.UserName =helpdesk
 Globals.Password =helpdesk