diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/patch/PatchListKey.java b/gerrit-server/src/main/java/com/google/gerrit/server/patch/PatchListKey.java
index cacd5d3..b86a22a 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/patch/PatchListKey.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/patch/PatchListKey.java
@@ -35,7 +35,7 @@
 import javax.annotation.Nullable;
 
 public class PatchListKey implements Serializable {
-  static final long serialVersionUID = 10L;
+  static final long serialVersionUID = 11L;
 
   private transient ObjectId oldId;
   private transient ObjectId newId;