diff --git a/core/java/android/os/BatteryStats.java b/core/java/android/os/BatteryStats.java
index 80169a9..4ad9d6d 100644
--- a/core/java/android/os/BatteryStats.java
+++ b/core/java/android/os/BatteryStats.java
@@ -169,7 +169,7 @@
     /**
      * Current version of checkin data format.
      */
-    static final String CHECKIN_VERSION = "14";
+    static final String CHECKIN_VERSION = "15";
 
     /**
      * Old version, we hit 9 and ran out of room, need to remove.