diff --git a/json/src/com/jetbrains/jsonSchema/extension/schema/JsonSchemaFileIndex.java b/json/src/com/jetbrains/jsonSchema/extension/schema/JsonSchemaFileIndex.java
index 848f43739271..3ef75b304996 100644
--- a/json/src/com/jetbrains/jsonSchema/extension/schema/JsonSchemaFileIndex.java
+++ b/json/src/com/jetbrains/jsonSchema/extension/schema/JsonSchemaFileIndex.java
@@ -35,7 +35,7 @@ import java.util.Map;
  */
 public class JsonSchemaFileIndex extends FileBasedIndexExtension<String, Integer> {
   public static final ID<String, Integer> PROPERTIES_INDEX = ID.create("json.schema.properties.index");
-  public static final int VERSION = 2;
+  public static final int VERSION = 3;
   private IntInlineKeyDescriptor myKeyDescriptor = new IntInlineKeyDescriptor();
 
   @NotNull