diff --git a/Clckwrks/Bugs/Acid.hs b/Clckwrks/Bugs/Acid.hs
--- a/Clckwrks/Bugs/Acid.hs
+++ b/Clckwrks/Bugs/Acid.hs
@@ -28,7 +28,7 @@
     , bugs            :: IxSet Bug
     , nextMilestoneId :: MilestoneId
     , milestones      :: IxSet Milestone
-    }
+    } deriving (Data, Typeable)
 $(deriveSafeCopy 1 'extension ''BugsState)
 
 instance Migrate BugsState where
diff --git a/clckwrks-plugin-bugs.cabal b/clckwrks-plugin-bugs.cabal
--- a/clckwrks-plugin-bugs.cabal
+++ b/clckwrks-plugin-bugs.cabal
@@ -1,5 +1,5 @@
 Name:                clckwrks-plugin-bugs
-Version:             0.7.2
+Version:             0.7.3
 Synopsis:            bug tracking plugin for clckwrks
 Homepage:            http://clckwrks.com/
 License:             BSD3