Skip defaults in JSONTreeMapper and CBOR
diff --git a/build.gradle b/build.gradle
index 2860c40..2b4dee5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -21,12 +21,12 @@
         ext.compilerVersion = property('kotlin.version.snapshot')
         ext.librariesVersion = property('kotlin.version.snapshot')
         ext.serializationPluginVersion = property('plugin.version.snapshot')
-        ext.konanVersion = property('konan.version')
+        ext.konanVersion = property('konan.version.snapshot')
     } else {
         ext.compilerVersion = property('kotlin.version')
         ext.librariesVersion = property('kotlin.version')
         ext.serializationPluginVersion = property('plugin.version')
-        ext.konanVersion = property('konan.version.snapshot')
+        ext.konanVersion = property('konan.version')
     }
     ext.serializationCoordinates = "org.jetbrains.kotlin:kotlin-serialization"
     ext.eapChannel = 'https://dl.bintray.com/kotlin/kotlin-dev'