diff --git a/build.gradle b/build.gradle
index 68a23996..9267a7ad 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,12 +1,13 @@
 buildscript {
 	repositories {
 		maven { url "https://repo.spring.io/plugins-release" }
+		maven { url "https://repo.spring.io/milestone" }
 	}
 	dependencies {
-		classpath 'io.spring.gradle:dependency-management-plugin:0.6.1.RELEASE'
+		classpath 'io.spring.gradle:dependency-management-plugin:1.0.0.RC1'
 		classpath("com.bmuschko:gradle-tomcat-plugin:2.2.5")
 		classpath("org.springframework.build.gradle:propdeps-plugin:0.0.7")
-		classpath("io.spring.gradle:spring-io-plugin:0.0.4.RELEASE")
+		classpath("io.spring.gradle:spring-io-plugin:0.0.6.RELEASE")
 		classpath('me.champeau.gradle:gradle-javadoc-hotfix-plugin:0.1')
 		classpath 'org.asciidoctor:asciidoctor-gradle-plugin:1.5.2'
 		classpath 'com.github.ben-manes:gradle-versions-plugin:0.12.0'
@@ -19,7 +20,7 @@ plugins {
 
 group = 'org.springframework.session'
 
-ext.springBootVersion = '1.4.2.RELEASE'
+ext.springBootVersion = '1.5.0.RC1'
 ext.IDE_GRADLE = "$rootDir/gradle/ide.gradle"
 ext.JAVA_GRADLE = "$rootDir/gradle/java.gradle"
 ext.SPRING3_GRADLE = "$rootDir/gradle/spring3.gradle"
diff --git a/samples/boot/build.gradle b/samples/boot/build.gradle
index 784a8770..445e1ac6 100644
--- a/samples/boot/build.gradle
+++ b/samples/boot/build.gradle
@@ -1,6 +1,7 @@
 buildscript {
 	repositories {
 		mavenCentral()
+		maven { url "https://repo.spring.io/plugins-snapshot" }
 	}
 	dependencies {
 		classpath("org.springframework.boot:spring-boot-gradle-plugin:$springBootVersion")
@@ -16,7 +17,7 @@ group = 'samples'
 
 dependencies {
 	compile project(':spring-session'),
-			"org.springframework.boot:spring-boot-starter-redis",
+			"org.springframework.boot:spring-boot-starter-data-redis",
 			"org.springframework.boot:spring-boot-starter-web",
 			"org.springframework.boot:spring-boot-starter-thymeleaf",
 			"org.springframework.boot:spring-boot-starter-security",
diff --git a/samples/findbyusername/build.gradle b/samples/findbyusername/build.gradle
index 8e46b14f..38b491db 100644
--- a/samples/findbyusername/build.gradle
+++ b/samples/findbyusername/build.gradle
@@ -1,6 +1,7 @@
 buildscript {
 	repositories {
 		mavenCentral()
+		maven { url "https://repo.spring.io/milestone" }
 	}
 	dependencies {
 		classpath("org.springframework.boot:spring-boot-gradle-plugin:$springBootVersion")
@@ -16,7 +17,7 @@ group = 'samples'
 
 dependencies {
 	compile project(':spring-session'),
-			"org.springframework.boot:spring-boot-starter-redis",
+			"org.springframework.boot:spring-boot-starter-data-redis",
 			"org.springframework.boot:spring-boot-starter-web",
 			"org.springframework.boot:spring-boot-starter-security",
 			"org.springframework.boot:spring-boot-starter-thymeleaf",
diff --git a/samples/grails3/build.gradle b/samples/grails3/build.gradle
index b652e80d..612d7f9b 100644
--- a/samples/grails3/build.gradle
+++ b/samples/grails3/build.gradle
@@ -59,7 +59,7 @@ dependencies {
 	testCompile "org.seleniumhq.selenium:selenium-htmlunit-driver:2.47.1"
 	testCompile "net.sourceforge.htmlunit:htmlunit:2.18"
 
-	compile "org.springframework.boot:spring-boot-starter-redis"
+	compile "org.springframework.boot:spring-boot-starter-data-redis"
 	compile 'org.springframework.session:spring-session:1.1.1.RELEASE'
 
 	compile 'org.grails.plugins:spring-security-core:3.0.4'
diff --git a/samples/httpsession-gemfire-boot/build.gradle b/samples/httpsession-gemfire-boot/build.gradle
index 7eeaaf4b..3d45043f 100644
--- a/samples/httpsession-gemfire-boot/build.gradle
+++ b/samples/httpsession-gemfire-boot/build.gradle
@@ -1,6 +1,7 @@
 buildscript {
 	repositories {
 		mavenCentral()
+		maven { url "https://repo.spring.io/milestone" }
 	}
 	dependencies {
 		classpath "org.springframework.boot:spring-boot-gradle-plugin:$springBootVersion"
diff --git a/samples/httpsession-jdbc-boot/build.gradle b/samples/httpsession-jdbc-boot/build.gradle
index cc701699..5807841d 100644
--- a/samples/httpsession-jdbc-boot/build.gradle
+++ b/samples/httpsession-jdbc-boot/build.gradle
@@ -1,6 +1,7 @@
 buildscript {
 	repositories {
 		mavenCentral()
+		maven { url "https://repo.spring.io/milestone" }
 	}
 	dependencies {
 		classpath("org.springframework.boot:spring-boot-gradle-plugin:$springBootVersion")
diff --git a/samples/httpsession-redis-json/build.gradle b/samples/httpsession-redis-json/build.gradle
index ce85ec4a..eef2f8b0 100644
--- a/samples/httpsession-redis-json/build.gradle
+++ b/samples/httpsession-redis-json/build.gradle
@@ -1,6 +1,7 @@
 buildscript {
     repositories {
         mavenCentral()
+        maven { url "https://repo.spring.io/milestone" }
     }
     dependencies {
         classpath("org.springframework.boot:spring-boot-gradle-plugin:$springBootVersion")
@@ -22,7 +23,7 @@ ext['spring-security.version'] = springSecurityVersion
 
 dependencies {
     compile project(':spring-session'),
-            "org.springframework.boot:spring-boot-starter-redis",
+            "org.springframework.boot:spring-boot-starter-data-redis",
             "org.springframework.boot:spring-boot-starter-web",
             "org.springframework.boot:spring-boot-starter-thymeleaf",
             "org.springframework.boot:spring-boot-starter-security",
diff --git a/samples/mongo/build.gradle b/samples/mongo/build.gradle
index e84c294c..71e45e75 100644
--- a/samples/mongo/build.gradle
+++ b/samples/mongo/build.gradle
@@ -1,6 +1,7 @@
 buildscript {
 	repositories {
 		mavenCentral()
+		maven { url "https://repo.spring.io/milestone" }
 	}
 	dependencies {
 		classpath("org.springframework.boot:spring-boot-gradle-plugin:$springBootVersion")
diff --git a/samples/websocket/build.gradle b/samples/websocket/build.gradle
index 95856fe7..00309e48 100644
--- a/samples/websocket/build.gradle
+++ b/samples/websocket/build.gradle
@@ -1,6 +1,7 @@
 buildscript {
 	repositories {
 		mavenCentral()
+		maven { url "https://repo.spring.io/milestone" }
 	}
 	dependencies {
 		classpath("org.springframework.boot:spring-boot-gradle-plugin:$springBootVersion")
diff --git a/settings.gradle b/settings.gradle
index cd3e414f..07b2c891 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -23,7 +23,6 @@ include 'samples:security'
 include 'samples:users'
 include 'samples:websocket'
 include 'samples:mongo'
-include 'samples:grails3'
 
 include 'spring-session'
 include 'spring-session-data-gemfire'