diff --git a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JvmAbi.java b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JvmAbi.java
index 50a9c1fa422..e20f5e35bc3 100644
--- a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JvmAbi.java
+++ b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JvmAbi.java
@@ -27,7 +27,7 @@ public class JvmAbi {
      * This constant is used to identify binary format (class file) versions
      * If you change class file metadata format and/or naming conventions, please increase this number
      */
-    public static final int VERSION = 5;
+    public static final int VERSION = 6;
 
     public static final String TRAIT_IMPL_CLASS_NAME = "$TImpl";
     public static final String TRAIT_IMPL_SUFFIX = "$" + TRAIT_IMPL_CLASS_NAME;
diff --git a/compiler/testData/cli/wrongAbiVersion.out b/compiler/testData/cli/wrongAbiVersion.out
index 6f4f9b41fb7..236c621093d 100644
--- a/compiler/testData/cli/wrongAbiVersion.out
+++ b/compiler/testData/cli/wrongAbiVersion.out
@@ -1,4 +1,4 @@
 WARNING: $TESTDATA_DIR$/wrongAbiVersion.kt: (3, 9) Parameter 'x' is never used
-ERROR: $TESTDATA_DIR$/wrongAbiVersionLib/wrong/WrongPackage.java: (3, 1) Class 'wrong.WrongPackage' was compiled with an incompatible version of Kotlin. Its ABI version is -1, expected ABI version is 5
-ERROR: $TESTDATA_DIR$/wrongAbiVersionLib/ClassWithWrongAbiVersion.java: (3, 1) Class 'ClassWithWrongAbiVersion' was compiled with an incompatible version of Kotlin. Its ABI version is -1, expected ABI version is 5
+ERROR: $TESTDATA_DIR$/wrongAbiVersionLib/wrong/WrongPackage.java: (3, 1) Class 'wrong.WrongPackage' was compiled with an incompatible version of Kotlin. Its ABI version is -1, expected ABI version is 6
+ERROR: $TESTDATA_DIR$/wrongAbiVersionLib/ClassWithWrongAbiVersion.java: (3, 1) Class 'ClassWithWrongAbiVersion' was compiled with an incompatible version of Kotlin. Its ABI version is -1, expected ABI version is 6
 COMPILATION_ERROR