diff --git a/platform/vcs-log/impl/src/com/intellij/vcs/log/data/index/VcsLogPersistentIndex.java b/platform/vcs-log/impl/src/com/intellij/vcs/log/data/index/VcsLogPersistentIndex.java
index be25f3f3b9af..70342bba415e 100644
--- a/platform/vcs-log/impl/src/com/intellij/vcs/log/data/index/VcsLogPersistentIndex.java
+++ b/platform/vcs-log/impl/src/com/intellij/vcs/log/data/index/VcsLogPersistentIndex.java
@@ -59,7 +59,7 @@ import static com.intellij.vcs.log.util.PersistentUtil.*;
 
 public class VcsLogPersistentIndex implements VcsLogIndex, Disposable {
   private static final Logger LOG = Logger.getInstance(VcsLogPersistentIndex.class);
-  private static final int VERSION = 0;
+  private static final int VERSION = 1;
 
   @NotNull private final Project myProject;
   @NotNull private final FatalErrorHandler myFatalErrorsConsumer;