Update dependancy package.

pom.xml

@@ -11,7 +11,7 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<spring.version>4.3.2.RELEASE</spring.version>
+		<spring.version>5.2.2.RELEASE</spring.version>
 		<junit.version>4.12</junit.version>
 		<servlet.version>3.1.0</servlet.version>
 		<mysql.connector.version>5.1.9</mysql.connector.version>
@@ -72,11 +72,6 @@
 			<artifactId>mysql-connector-java</artifactId>
 			<version>${mysql.connector.version}</version>
 		</dependency>
-		<dependency>
-			<groupId>commons-fileupload</groupId>
-			<artifactId>commons-fileupload</artifactId>
-			<version>1.2.2</version>
-		</dependency>
 		<dependency>
 			<groupId>commons-io</groupId>
 			<artifactId>commons-io</artifactId>
@@ -86,7 +81,7 @@
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-databind</artifactId>
-			<version>2.9.8</version>
+			<version>[2.9.10.1,)</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/com.google.code.gson/gson -->
 		<dependency>
@@ -111,7 +106,7 @@
 		<dependency>
 			<groupId>commons-fileupload</groupId>
 			<artifactId>commons-fileupload</artifactId>
-			<version>1.3.2</version>
+			<version>[1.3.3,)</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.json/json -->
 		<dependency>