diff --git a/backends/gdx-backend-robovm-metalangle/build.gradle b/backends/gdx-backend-robovm-metalangle/build.gradle
index e1556f9cf4a..972a74f3982 100644
--- a/backends/gdx-backend-robovm-metalangle/build.gradle
+++ b/backends/gdx-backend-robovm-metalangle/build.gradle
@@ -48,7 +48,7 @@ dependencies {
 task generate(type: JavaExec) {
 	dependsOn configurations.generator
 
-	main = 'JavaCodeGenerator'
+	mainClass = 'JavaCodeGenerator'
 	classpath = sourceSets.generator.runtimeClasspath
 
 	inputs.dir '../gdx-backend-robovm/src/'
diff --git a/extensions/gdx-setup/build.gradle b/extensions/gdx-setup/build.gradle
index def4d8ef8ed..45453e28e85 100644
--- a/extensions/gdx-setup/build.gradle
+++ b/extensions/gdx-setup/build.gradle
@@ -19,12 +19,12 @@ plugins {
 }
 
 application {
-	mainClassName = 'com.badlogic.gdx.setup.GdxSetup'
+	mainClass = 'com.badlogic.gdx.setup.GdxSetup'
 }
 
 jar {
 	archiveFileName = 'gdx-setup.jar'
 	manifest {
-		attributes 'Main-Class': project.mainClassName
+		attributes 'Main-Class': project.application.mainClass.get()
 	}
 }
diff --git a/tests/gdx-tests-android/obb.gradle b/tests/gdx-tests-android/obb.gradle
index ce6be65a83b..552bcc3509d 100644
--- a/tests/gdx-tests-android/obb.gradle
+++ b/tests/gdx-tests-android/obb.gradle
@@ -12,10 +12,10 @@ task copyAssets {
 }
 
 task zipAssets(type: Zip) {
-	destinationDir = file("build/obb")
+	destinationDirectory = file("build/obb")
 	entryCompression = ZipEntryCompression.STORED
 	from "build/obbassets"
-	archiveName = "main.1.com.badlogic.gdx.tests.android.obb"
+	archiveFileName = "main.1.com.badlogic.gdx.tests.android.obb"
 }
 
 def getADBPath() {
diff --git a/tests/gdx-tests-lwjgl/build.gradle b/tests/gdx-tests-lwjgl/build.gradle
index 6a10df5432a..0e04d4d33f6 100644
--- a/tests/gdx-tests-lwjgl/build.gradle
+++ b/tests/gdx-tests-lwjgl/build.gradle
@@ -26,7 +26,7 @@ dependencies {
 }
 
 task launchTestsLwjgl (dependsOn: classes, type: JavaExec) {
-	main = mainTestClass
+	mainClass = mainTestClass
 	classpath = sourceSets.main.runtimeClasspath
 	standardInput = System.in
 	workingDir = new File("../gdx-tests-android/assets")
diff --git a/tests/gdx-tests-lwjgl3/build.gradle b/tests/gdx-tests-lwjgl3/build.gradle
index dc3fc40634e..78a91e9bed3 100644
--- a/tests/gdx-tests-lwjgl3/build.gradle
+++ b/tests/gdx-tests-lwjgl3/build.gradle
@@ -37,7 +37,7 @@ dependencies {
 }
 
 task launchTestsLwjgl3 (dependsOn: classes, type: JavaExec) {
-	main = mainTestClass
+	mainClass = mainTestClass
 	classpath = sourceSets.main.runtimeClasspath
 	standardInput = System.in
 	workingDir = new File("../gdx-tests-android/assets")