diff --git a/json/src/com/jetbrains/jsonSchema/extension/schema/JsonSchemaFileIndex.java b/json/src/com/jetbrains/jsonSchema/extension/schema/JsonSchemaFileIndex.java
index d61dea1c9ca5..dd5f1034ba57 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 = 5;
+  public static final int VERSION = 6;
   private IntInlineKeyDescriptor myKeyDescriptor = new IntInlineKeyDescriptor();
 
   @NotNull