diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/IncrementalCacheImpl.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/IncrementalCacheImpl.kt
index 2925f03dadc..542163392a0 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/IncrementalCacheImpl.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/IncrementalCacheImpl.kt
@@ -68,7 +68,7 @@ private val CACHE_DIRECTORY_NAME = "kotlin"
 class CacheFormatVersion(targetDataRoot: File) {
     companion object {
         // Change this when incremental cache format changes
-        private val INCREMENTAL_CACHE_OWN_VERSION = 3
+        private val INCREMENTAL_CACHE_OWN_VERSION = 4
         private val CACHE_FORMAT_VERSION: Int = INCREMENTAL_CACHE_OWN_VERSION * 1000000 + JvmAbi.VERSION
 
         private val NON_INCREMENTAL_MODE_PSEUDO_VERSION = Int.MAX_VALUE