diff --git a/build.gradle b/build.gradle
index d0c979d..0b78139 100644
--- a/build.gradle
+++ b/build.gradle
@@ -11,7 +11,7 @@ subprojects {
 	apply plugin: 'maven-publish'
 
 	// java compatibility version
-	sourceCompatibility = 1.8
+	sourceCompatibility = 10
 	
 	configurations {
 		tests
@@ -52,5 +52,5 @@ subprojects {
 }
 
 task wrapper(type: Wrapper) {
-	gradleVersion = '4.4.1'
+	gradleVersion = '4.7'
 }
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 01b8bf6..99340b4 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 45a4d68..5a17e74 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,4 +1,4 @@
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-bin.zip
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
diff --git a/settings.gradle b/settings.gradle
index 1fe70a5..2576a82 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,7 +1 @@
-
-// include all projects with a build.gradle
-// (this does not support nested projects)
-File srcDir = new File(".")
-FileCollection collection = files { srcDir.listFiles() }
-collection.filter{ new File(it, "build.gradle").isFile() }.each{ include it.getName() }
-
+include "primitiveCollections"
\ No newline at end of file