diff --git a/build.gradle b/build.gradle
index 1bd97c7..7552257 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,13 +2,11 @@ group 'com.example'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.1.0-dev-6625'
+    ext.kotlin_version = '1.1.0-rc-91'
+    ext.kotlinx_coroutines_version = '0.11-rc'
 
     repositories {
         mavenCentral()
-        maven {
-            url "http://dl.bintray.com/kotlin/kotlin-dev"
-        }
         maven {
             url "http://dl.bintray.com/kotlin/kotlin-eap-1.1"
 
@@ -25,22 +23,16 @@ apply plugin: 'application'
 
 repositories {
     mavenCentral()
-    maven {
-        url "http://dl.bintray.com/kotlin/kotlin-dev"
-    }
     maven {
         url "http://dl.bintray.com/kotlin/kotlin-eap-1.1"
-
     }
 }
 
 dependencies {
     compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    compile 'org.jetbrains.kotlinx:kotlinx-coroutines-core:0.6-rc'
-    compile 'org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:0.6-rc'
-    compile 'org.jetbrains.kotlinx:kotlinx-coroutines-nio:0.6-rc'
-    testCompile 'junit:junit:4.12'
+    compile "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlinx_coroutines_version"
+    compile "org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:$kotlinx_coroutines_version"
+    compile "org.jetbrains.kotlinx:kotlinx-coroutines-nio:$kotlinx_coroutines_version"
+    testCompile "junit:junit:4.12"
 }
 
-mainClassName = "kotlinx.coroutines.examples.BasicKt"
-
diff --git a/src/test/kotlin/CoroutinesTutorialTest.kt b/src/test/kotlin/CoroutinesTutorialTest.kt
index dfc3bee..023216b 100644
--- a/src/test/kotlin/CoroutinesTutorialTest.kt
+++ b/src/test/kotlin/CoroutinesTutorialTest.kt
@@ -110,7 +110,7 @@ class CoroutinesTutorialTest {
     @Test
     fun millionDefers() {
         val deferred = (1..1_000_000).map { n ->
-            defer (CommonPool) {
+            async(CommonPool) {
                 n
             }
         }
@@ -124,7 +124,7 @@ class CoroutinesTutorialTest {
     @Test
     fun millionDefersWithDelay() {
         val deferred = (1..1_000_000).map { n ->
-            defer (CommonPool) {
+            async(CommonPool) {
                 delay(1000)
                 n
             }
@@ -144,7 +144,7 @@ class CoroutinesTutorialTest {
     @Test
     fun millionDefersWithDelayExtractFun() {
         val deferred = (1..1_000_000).map { n ->
-            defer (CommonPool) {
+            async(CommonPool) {
                 workload(n)
             }
         }