diff --git a/build.gradle b/build.gradle
index 8118c697a68..5e1b9ea4825 100644
--- a/build.gradle
+++ b/build.gradle
@@ -20,14 +20,15 @@ configure(allprojects) { project ->
 	ext.hibVal4Version       = "4.3.1.Final"
 	ext.hibVal5Version       = "5.1.0.Final"
 	ext.hsqldbVersion        = "2.3.2"
-	ext.jackson2Version      = "2.3.2"
-	ext.jasperReportsVersion = "5.5.1"
+	ext.jackson2Version      = "2.3.3"
+	ext.jasperReportsVersion = "5.5.1"  // 5.5.2 has an unresolvable transitive dependency
 	ext.jettyVersion         = "9.1.4.v20140401"
 	ext.jodaVersion          = "2.3"
 	ext.junitVersion         = "4.11"
-	ext.slf4jVersion         = "1.7.6"
+	ext.slf4jVersion         = "1.7.7"
 	ext.tiles2Version        = "2.2.2"
 	ext.tiles3Version        = "3.0.3"
+	ext.tomcatVersion        = "8.0.5"
 	ext.xstreamVersion       = "1.4.7"
 
 	ext.gradleScriptDir   = "${rootProject.projectDir}/gradle"
@@ -108,7 +109,6 @@ configure(allprojects) { project ->
 		"http://www.eclipse.org/aspectj/doc/released/aspectj5rt-api/",
 		"http://ehcache.org/apidocs/",
 		"http://quartz-scheduler.org/api/2.1.7/",
-		"http://jackson.codehaus.org/1.9.4/javadoc/",
 		"http://fasterxml.github.com/jackson-core/javadoc/2.3.0/",
 		"http://fasterxml.github.com/jackson-databind/javadoc/2.3.0/",
 		"http://hc.apache.org/httpcomponents-client-ga/httpclient/apidocs"
@@ -245,7 +245,7 @@ project("spring-core") {
 		optional("org.aspectj:aspectjweaver:${aspectjVersion}")
 		optional("net.sf.jopt-simple:jopt-simple:4.6")
 		optional("log4j:log4j:1.2.17")
-		testCompile("org.apache.tomcat.embed:tomcat-embed-core:8.0.3")
+		testCompile("org.apache.tomcat.embed:tomcat-embed-core:${tomcatVersion}")
 		testCompile("xmlunit:xmlunit:1.5")
 		testCompile("org.codehaus.woodstox:wstx-asl:3.2.7") {
 			exclude group: "stax", module: "stax-api"
@@ -275,7 +275,7 @@ project("spring-beans") {
 		optional("javax.inject:javax.inject:1")
 		optional("javax.el:javax.el-api:2.2.4")
 		testCompile("log4j:log4j:1.2.17")
-		testCompile("org.apache.tomcat.embed:tomcat-embed-core:8.0.0-RC10")
+		testCompile("org.apache.tomcat.embed:tomcat-embed-core:${tomcatVersion}")
     }
 }
 
@@ -371,7 +371,7 @@ project("spring-context") {
 		optional("org.aspectj:aspectjweaver:${aspectjVersion}")
 		optional("org.codehaus.groovy:groovy-all:${groovyVersion}")
 		optional("org.beanshell:bsh:2.0b4")
-		optional("org.jruby:jruby:1.7.10")
+		optional("org.jruby:jruby:1.7.12")
 		testCompile("javax.inject:javax.inject-tck:1")
 		testCompile("commons-dbcp:commons-dbcp:1.4")
 		testCompile("org.slf4j:slf4j-api:${slf4jVersion}")
@@ -412,9 +412,9 @@ project("spring-messaging") {
 		testCompile("org.eclipse.jetty:jetty-webapp:${jettyVersion}") {
 			exclude group: "javax.servlet", module: "javax.servlet-api"
 		}
-		testCompile("org.apache.tomcat.embed:tomcat-embed-core:8.0.3")
-		testCompile("org.apache.tomcat.embed:tomcat-embed-websocket:8.0.3")
-		testCompile("org.apache.tomcat.embed:tomcat-embed-logging-juli:8.0.3")
+		testCompile("org.apache.tomcat.embed:tomcat-embed-core:${tomcatVersion}")
+		testCompile("org.apache.tomcat.embed:tomcat-embed-websocket:${tomcatVersion}")
+		testCompile("org.apache.tomcat.embed:tomcat-embed-logging-juli:${tomcatVersion}")
 		testCompile("commons-dbcp:commons-dbcp:1.4")
 		testCompile("log4j:log4j:1.2.17")
 		testCompile("org.slf4j:slf4j-jcl:${slf4jVersion}")
@@ -453,8 +453,9 @@ project("spring-oxm") {
 	dependencies {
 		compile(project(":spring-beans"))
 		compile(project(":spring-core"))
-		optional("org.codehaus.castor:castor-xml:1.3.2")  {
+		optional("org.codehaus.castor:castor-xml:1.3.3")  {
 			exclude group: 'stax', module: 'stax-api'
+			exclude group: "org.springframework", module: "spring-context"
 		}
 		optional("org.apache.xmlbeans:xmlbeans:2.6.0") {
 			exclude group: 'stax', module: 'stax-api'
@@ -504,11 +505,11 @@ project("spring-jdbc") {
 		compile(project(":spring-tx"))
 		optional(project(":spring-context")) // for JndiDataSourceLookup
 		optional("javax.transaction:javax.transaction-api:1.2")
-		optional("c3p0:c3p0:0.9.1.2")
+		optional("com.mchange:c3p0:0.9.2.1")
 		optional("org.hsqldb:hsqldb:${hsqldbVersion}")
-		optional("com.h2database:h2:1.0.71")
-		optional("org.apache.derby:derby:10.10.1.1")
-		optional("org.apache.derby:derbyclient:10.10.1.1")
+		optional("com.h2database:h2:1.3.176")
+		optional("org.apache.derby:derby:10.10.2.0")
+		optional("org.apache.derby:derbyclient:10.10.2.0")
 	}
 }
 
@@ -523,7 +524,7 @@ project("spring-context-support") {
 		optional(project(":spring-tx")) // for Quartz support
 		optional("javax.mail:javax.mail-api:1.4.7")
 		optional("javax.cache:cache-api:1.0.0")
-		optional("com.google.guava:guava:16.0.1")
+		optional("com.google.guava:guava:17.0")
 		optional("net.sf.ehcache:ehcache-core:2.6.5")
 		optional("org.quartz-scheduler:quartz:2.1.7")
 		optional("org.codehaus.fabric3.api:commonj:1.1.0")
@@ -531,7 +532,7 @@ project("spring-context-support") {
 		optional("org.freemarker:freemarker:2.3.20")
 		optional("com.lowagie:itext:2.1.7")
 		optional("net.sf.jasperreports:jasperreports:$jasperReportsVersion")
-		testCompile("org.apache.poi:poi:3.9")
+		testCompile("org.apache.poi:poi:3.10-FINAL")
 		testCompile("commons-beanutils:commons-beanutils:1.8.0") // for Velocity/JasperReports
 		testCompile("commons-digester:commons-digester:1.8.1") // for Velocity/JasperReports
 		testCompile("org.hsqldb:hsqldb:${hsqldbVersion}")
@@ -558,7 +559,7 @@ project("spring-web") {
 		optional("javax.el:javax.el-api:2.2.4")
 		optional("javax.faces:javax.faces-api:2.2")
 		optional("aopalliance:aopalliance:1.0")
-		optional("com.caucho:hessian:4.0.33")
+		optional("com.caucho:hessian:4.0.38")
 		optional("commons-fileupload:commons-fileupload:1.3.1")
 		optional("org.apache.httpcomponents:httpclient:4.3.3")
 		optional("org.apache.httpcomponents:httpasyncclient:4.0.1")
@@ -594,7 +595,7 @@ project("spring-websocket") {
 		optional(project(":spring-webmvc"))
 		optional("javax.servlet:javax.servlet-api:3.1.0")
 		optional("javax.websocket:javax.websocket-api:1.0")
-		optional("org.apache.tomcat:tomcat-websocket:8.0.3") {
+		optional("org.apache.tomcat:tomcat-websocket:${tomcatVersion}") {
 			exclude group: "org.apache.tomcat", module: "tomcat-websocket-api"
 			exclude group: "org.apache.tomcat", module: "tomcat-servlet-api"
 		}
@@ -607,18 +608,18 @@ project("spring-websocket") {
 			exclude group: "javax.servlet", module: "javax.servlet"
 		}
 		optional("org.eclipse.jetty.websocket:websocket-client:${jettyVersion}")
-		optional("io.undertow:undertow-core:1.0.0.Final")
-		optional("io.undertow:undertow-servlet:1.0.0.Final") {
+		optional("io.undertow:undertow-core:1.0.1.Final")
+		optional("io.undertow:undertow-servlet:1.0.1.Final") {
 			exclude group: "org.jboss.spec.javax.servlet", module: "jboss-servlet-api_3.1_spec"
 			exclude group: "org.jboss.spec.javax.annotation", module: "jboss-annotations-api_1.2_spec"
 		}
-		optional("io.undertow:undertow-websockets-jsr:1.0.0.Final") {
+		optional("io.undertow:undertow-websockets-jsr:1.0.1.Final") {
 			exclude group: "org.jboss.spec.javax.websocket", module: "jboss-websocket-api_1.0_spec"
 		}
 		optional("com.fasterxml.jackson.core:jackson-databind:${jackson2Version}")
-		testCompile("org.apache.tomcat.embed:tomcat-embed-core:8.0.3")
-		testCompile("org.apache.tomcat.embed:tomcat-embed-websocket:8.0.3")
-		testCompile("org.apache.tomcat.embed:tomcat-embed-logging-juli:8.0.3")
+		testCompile("org.apache.tomcat.embed:tomcat-embed-core:${tomcatVersion}")
+		testCompile("org.apache.tomcat.embed:tomcat-embed-websocket:${tomcatVersion}")
+		testCompile("org.apache.tomcat.embed:tomcat-embed-logging-juli:${tomcatVersion}")
 		testCompile("org.projectreactor:reactor-core:1.1.0.RELEASE")
 		testCompile("org.projectreactor:reactor-net:1.1.0.RELEASE")
 		testCompile("log4j:log4j:1.2.17")
@@ -701,7 +702,7 @@ project("spring-webmvc") {
 		optional("javax.servlet.jsp:javax.servlet.jsp-api:2.2.1")
 		optional("javax.servlet.jsp.jstl:javax.servlet.jsp.jstl-api:1.2.1")
 		optional("net.sourceforge.jexcelapi:jxl:2.6.12")
-		optional("org.apache.poi:poi:3.9")
+		optional("org.apache.poi:poi:3.10-FINAL")
 		optional("org.apache.velocity:velocity:1.7")
 		optional("velocity-tools:velocity-tools-view:1.4")
 		optional("org.freemarker:freemarker:2.3.20")
@@ -1178,7 +1179,7 @@ configure(rootProject) {
 
 	task wrapper(type: Wrapper) {
 		description = "Generates gradlew[.bat] scripts"
-		gradleVersion = "1.11"
+		gradleVersion = "1.12"
 
 		doLast() {
 			def gradleOpts = "-XX:MaxMetaspaceSize=1024m -Xmx1024m"
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 3c7abdf1279..0087cd3b186 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 0178eaa66da..7dab6dc93c7 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Mar 06 18:45:45 CET 2014
+#Wed Apr 30 13:06:57 CEST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=http\://services.gradle.org/distributions/gradle-1.11-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-1.12-bin.zip