diff --git a/build.gradle b/build.gradle
index 137e8b1c..3b49a5c1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,4 +1,3 @@
-
 subprojects {
 	group = 'org.springframework.experimental'
 	version = "0.1.0-SNAPSHOT"
diff --git a/graphql-spring-boot-starter/build.gradle b/graphql-spring-boot-starter/build.gradle
index 2efbe23c..cecd1cd5 100644
--- a/graphql-spring-boot-starter/build.gradle
+++ b/graphql-spring-boot-starter/build.gradle
@@ -8,8 +8,11 @@ plugins {
 }
 
 description = "GraphQL Spring Boot Starter"
-sourceCompatibility = 1.8
-targetCompatibility = 1.8
+
+java {
+	sourceCompatibility = JavaVersion.VERSION_1_8
+	targetCompatibility = JavaVersion.VERSION_1_8
+}
 
 dependencyManagement {
 	imports {
diff --git a/spring-graphql-web/build.gradle b/spring-graphql-web/build.gradle
index 57047bbb..a6a7d11a 100644
--- a/spring-graphql-web/build.gradle
+++ b/spring-graphql-web/build.gradle
@@ -6,8 +6,11 @@ plugins {
 }
 
 description = "GraphQL Java support with Spring Web frameworks"
-sourceCompatibility = 1.8
-targetCompatibility = 1.8
+
+java {
+	sourceCompatibility = JavaVersion.VERSION_1_8
+	targetCompatibility = JavaVersion.VERSION_1_8
+}
 
 dependencyManagement {
 	imports {