diff --git a/pom.xml b/pom.xml
index 64c8229..eb871cb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -275,7 +275,7 @@
 								</excludes>
 							</bannedDependencies>
 							<!-- <banTransitiveDependencies /> -->
-							<DependencyConvergence />
+							<DependencyConvergence/>
 							<requireMavenVersion>
 								<version>${maven.version.range}</version>
 							</requireMavenVersion>
@@ -289,7 +289,7 @@
 									<exclude>com.jjz:*:*:*</exclude>
 								</excludes>
 							</requireReleaseDeps>
-							<requireUpperBoundDeps />
+							<requireUpperBoundDeps/>
 						</rules>
 					</configuration>
 					<inherited>false</inherited>
@@ -347,7 +347,7 @@
 										</goals>
 									</pluginExecutionFilter>
 									<action>
-										<ignore></ignore>
+										<ignore/>
 									</action>
 								</pluginExecution>
 							</pluginExecutions>
@@ -930,7 +930,7 @@
 		<hamcrest.version>1.3</hamcrest.version>
 		<htmlunit.version>2.12</htmlunit.version>
 		<httpclient.version>4.2.5</httpclient.version>
-		<jackson2.version>2.2.2</jackson2.version>
+		<jackson2.version>2.9.10.8</jackson2.version>
 		<janino.version>2.6.1</janino.version>
 		<java-property-utils.version>1.9</java-property-utils.version>
 		<javax-inject.version>1</javax-inject.version>
@@ -944,7 +944,7 @@
 		<jsr311-api.version>1.1.1</jsr311-api.version>
 		<junit.version>4.11</junit.version>
 		<lanterna.version>2.1.5</lanterna.version>
-		<logback-classic.version>1.0.13</logback-classic.version>
+		<logback-classic.version>1.2.7</logback-classic.version>
 		<maven-plugin-api.version>2.0</maven-plugin-api.version>
 		<mockito.version>1.9.5</mockito.version>
 		<mongo-java-driver.version>2.11.2</mongo-java-driver.version>
@@ -954,8 +954,8 @@
 		<rest-assured.version>1.8.1</rest-assured.version>
 		<servlet-api.version>2.5</servlet-api.version>
 		<slf4j.version>1.7.5</slf4j.version>
-		<spring-data-mongodb.version>1.3.0.RELEASE</spring-data-mongodb.version>
-		<springframework.version>3.2.4.RELEASE</springframework.version>
+		<spring-data-mongodb.version>1.10.11.RELEASE</spring-data-mongodb.version>
+		<springframework.version>4.3.29.RELEASE</springframework.version>
 		<springframework-android.version>1.0.1.RELEASE</springframework-android.version>
 		<springframework-ws.version>2.1.3.RELEASE</springframework-ws.version>
 		<tika-core.version>1.3</tika-core.version>
@@ -972,7 +972,7 @@
 		<jacoco-maven-plugin.lineRatio>95</jacoco-maven-plugin.lineRatio>
 		<jacoco-maven-plugin.complexityRatio>100</jacoco-maven-plugin.complexityRatio>
 		<jacoco-maven-plugin.methodRatio>100</jacoco-maven-plugin.methodRatio>
-		<jacoco-maven-plugin.excludes></jacoco-maven-plugin.excludes>
+		<jacoco-maven-plugin.excludes/>
 		<jacoco-maven-plugin.version>0.6.2.201302030002</jacoco-maven-plugin.version>
 		<jetty-maven-plugin.version>7.4.2.v20110526</jetty-maven-plugin.version>
 		<jetty-runner.version>7.4.5.v20110725</jetty-runner.version>