diff --git a/libsignal/service/src/main/java/org/whispersystems/signalservice/api/groupsv2/GroupsV2Operations.java b/libsignal/service/src/main/java/org/whispersystems/signalservice/api/groupsv2/GroupsV2Operations.java
index e1aa2cab4..cb46dc750 100644
--- a/libsignal/service/src/main/java/org/whispersystems/signalservice/api/groupsv2/GroupsV2Operations.java
+++ b/libsignal/service/src/main/java/org/whispersystems/signalservice/api/groupsv2/GroupsV2Operations.java
@@ -64,7 +64,7 @@ public final class GroupsV2Operations {
   public static final UUID UNKNOWN_UUID = UuidUtil.UNKNOWN_UUID;
 
   /** Highest change epoch this class knows now to decrypt */
-  public static final int HIGHEST_KNOWN_EPOCH = 4;
+  public static final int HIGHEST_KNOWN_EPOCH = 5;
 
   private final ServerPublicParams        serverPublicParams;
   private final ClientZkProfileOperations clientZkProfileOperations;