diff --git a/libraries/kotlin.test/annotations-common/build.gradle b/libraries/kotlin.test/annotations-common/build.gradle
index e4e2d2a12f6..45231065ace 100644
--- a/libraries/kotlin.test/annotations-common/build.gradle
+++ b/libraries/kotlin.test/annotations-common/build.gradle
@@ -4,6 +4,8 @@ apply plugin: 'kotlin-platform-common'
 
 configurePublishing(project)
 
+jvmTarget = "1.6"
+
 dependencies {
     compile kotlinStdlib("common")
     testCompile project(":kotlin-test:kotlin-test-common")
diff --git a/libraries/kotlin.test/common/build.gradle b/libraries/kotlin.test/common/build.gradle
index 0534f0f65d4..730d97d99a9 100644
--- a/libraries/kotlin.test/common/build.gradle
+++ b/libraries/kotlin.test/common/build.gradle
@@ -4,6 +4,8 @@ apply plugin: 'kotlin-platform-common'
 
 configurePublishing(project)
 
+jvmTarget = "1.6"
+
 dependencies {
     compile kotlinStdlib("common")
     testCompile project(":kotlin-test:kotlin-test-annotations-common")
diff --git a/libraries/stdlib/common/build.gradle b/libraries/stdlib/common/build.gradle
index 618312298e2..4a47b124125 100644
--- a/libraries/stdlib/common/build.gradle
+++ b/libraries/stdlib/common/build.gradle
@@ -4,6 +4,8 @@ apply plugin: 'kotlin-platform-common'
 
 configurePublishing(project)
 
+jvmTarget = "1.6"
+
 def commonSrcDir = "../src"
 def commonTestSrcDir = "../test"