diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/BaseGradleIT.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/BaseGradleIT.kt
index b6b8c60cb0a..9452e00b276 100644
--- a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/BaseGradleIT.kt
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/BaseGradleIT.kt
@@ -103,7 +103,8 @@ abstract class BaseGradleIT {
             val androidGradlePluginVersion: String? = null,
             val forceOutputToStdout: Boolean = false,
             val debug: Boolean = false,
-            val freeCommandLineArgs: List<String> = emptyList())
+            val freeCommandLineArgs: List<String> = emptyList(),
+            val kotlinVersion: String = KOTLIN_VERSION)
 
     open inner class Project(
             val projectName: String,
@@ -302,7 +303,7 @@ abstract class BaseGradleIT {
                     add(if (options.withDaemon) "--daemon" else "--no-daemon")
                 }
 
-                add("-Pkotlin_version=" + KOTLIN_VERSION)
+                add("-Pkotlin_version=" + options.kotlinVersion)
                 options.incremental?.let { add("-Pkotlin.incremental=$it") }
                 options.androidGradlePluginVersion?.let { add("-Pandroid_tools_version=$it")}
                 if (options.debug) {
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/KotlinGradlePluginIT.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/KotlinGradlePluginIT.kt
index 1ef9e87a8dd..48741e22ef3 100644
--- a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/KotlinGradlePluginIT.kt
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/KotlinGradlePluginIT.kt
@@ -365,4 +365,18 @@ class KotlinGradleIT: BaseGradleIT() {
             assertSuccessful()
         }
     }
+
+    @Test
+    fun testDowngradeTo106() {
+        val project = Project("kotlinProject", GRADLE_VERSION)
+        val options = defaultBuildOptions().copy(incremental = true, withDaemon = false)
+
+        project.build("assemble", options = options) {
+            assertSuccessful()
+        }
+
+        project.build("clean", "assemble", options = options.copy(kotlinVersion = "1.0.6")) {
+            assertSuccessful()
+        }
+    }
 }
\ No newline at end of file
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlinProject/build.gradle b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlinProject/build.gradle
index 57f99eef42c..645bfeda307 100644
--- a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlinProject/build.gradle
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlinProject/build.gradle
@@ -1,6 +1,7 @@
 buildscript {
     repositories {
         mavenLocal()
+        mavenCentral()
     }
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt
index 17494371482..4f635a8ba8a 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt
@@ -79,7 +79,10 @@ abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractCo
     internal var coroutinesFromGradleProperties: Coroutines? = null
     // Input is needed to force rebuild even if source files are not changed
     @get:Input
-    val coroutines: Coroutines
+    internal val coroutinesStr: String
+            get() = coroutines.name
+
+    private val coroutines: Coroutines
         get() = kotlinExt.experimental.coroutines
                 ?: coroutinesFromGradleProperties
                 ?: Coroutines.DEFAULT