Bumped spring boot to newer version

pom.xml

@@ -7,7 +7,7 @@
 	<parent>
 		<artifactId>spring-boot-starter-parent</artifactId>
 		<groupId>org.springframework.boot</groupId>
-		<version>1.5.2.RELEASE</version>
+		<version>1.5.22.RELEASE</version>
 		<relativePath />
 	</parent>
 
@@ -43,6 +43,7 @@
 	</prerequisites>
 
 	<properties>
+		<jackson.version>2.8.11</jackson.version>
 		<gesis.repository.visibility>public</gesis.repository.visibility>
 		<publishing-context.version>0.4.6</publishing-context.version>
 		<hikaricp.version>2.4.1</hikaricp.version>
@@ -67,7 +68,7 @@
 		<metrics-spark-reporter.version>1.2</metrics-spark-reporter.version>
 		<metrics-spring.version>3.1.2</metrics-spring.version>
 		<run.addResources>false</run.addResources>
-		<spring-security.version>4.0.2.RELEASE</spring-security.version>
+		<spring-security.version>4.2.20.RELEASE</spring-security.version>
 		<springfox.version>2.0.3</springfox.version>
 		<poi.version>3.14</poi.version>
 		<poi-ooxml.version>3.14</poi-ooxml.version>