fix error when spring.jpa.hibernate.ddl-auto is set to "update"

Author: Chris T

pom.xml

@@ -25,8 +25,7 @@
 		<dependency>
 			<groupId>org.postgresql</groupId>
 			<artifactId>postgresql</artifactId>
-			<version>9.4-1205-jdbc42</version>
-			<scope>provided</scope>
+			<version>42.1.4</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>