diff --git a/platform/duplicates-analysis/src/com/intellij/dupLocator/index/DuplicatesIndex.java b/platform/duplicates-analysis/src/com/intellij/dupLocator/index/DuplicatesIndex.java
index cacbcf89aca0..1255a7fec9e3 100644
--- a/platform/duplicates-analysis/src/com/intellij/dupLocator/index/DuplicatesIndex.java
+++ b/platform/duplicates-analysis/src/com/intellij/dupLocator/index/DuplicatesIndex.java
@@ -58,7 +58,7 @@ public class DuplicatesIndex extends FileBasedIndexExtension<Integer, TIntArrayL
   }
 
   @NonNls public static final ID<Integer, TIntArrayList> NAME = ID.create("DuplicatesIndex");
-  private static final int myBaseVersion = 9;
+  private static final int myBaseVersion = 10;
 
   private final FileBasedIndex.InputFilter myInputFilter = new FileBasedIndex.InputFilter() {
     @Override