diff --git a/Database/Groundhog/TH/CodeGen.hs b/Database/Groundhog/TH/CodeGen.hs
--- a/Database/Groundhog/TH/CodeGen.hs
+++ b/Database/Groundhog/TH/CodeGen.hs
@@ -216,7 +216,7 @@
     toPrim' <- do
       proxy <- newName "p"
       x <- newName "x"
-      let body = [| toPrimitivePersistValue $(varE proxy) $ ((fromPrimitivePersistValue :: DbDescriptor db => Proxy db -> PersistValue -> AutoKeyType db) $(varE proxy)) $(varE x) |]
+      let body = [| toPrimitivePersistValue $(varE proxy) $ ((fromPrimitivePersistValue :: DbDescriptor db => proxy db -> PersistValue -> AutoKeyType db) $(varE proxy)) $(varE x) |]
       funD 'toPrimitivePersistValue [clause [varP proxy, conP conName [varP x]] (normalB body) []]
     fromPrim' <- funD 'fromPrimitivePersistValue [clause [wildP] (normalB $ conE conName) []]
     let context = paramsContext (thTypeParams def) (thConstructors def >>= thConstrFields)
diff --git a/changelog b/changelog
new file mode 100644
--- /dev/null
+++ b/changelog
@@ -0,0 +1,46 @@
+0.4.2.2
+* Create missing schemas (or databases in MySQL terminology) during migration
+* Replace datatype Proxy with type variable
+
+0.4.2
+* Switched from utf8-string to text
+
+0.4.0.3
+* Added "primitive" mapping which creates PrimitivePersistField instances based on Show/Read or Enum.
+
+0.4.0.2
+* Fixed order of unique constraint fields
+
+0.4.0.1
+* Fixed a warning in generated code
+
+0.4.0
+* References to tables not mapped by groundhog
+* Default column values
+* Check for already existing unique key phantom datatypes
+
+0.3.1
+* Generation of SinglePersistField and PurePersistField instances for keys
+
+0.3
+* Reference clauses ON DELETE and ON UPDATE
+* Schema qualification
+* Added unique constraints of type PRIMARY
+
+0.2
+* Improvements of YAML parsing error reporting
+* Database indexes
+* Support DB-specific column types
+
+0.1.0.3
+* Removed upper bound for bytestring
+* Support embedded datatypes as part of an unique constraint
+
+0.1.0.2
+* Removed upper bound for yaml
+
+0.1.0.1
+* Removed upper bound for containers
+
+0.1.0
+The first release. The modules were moved from the groundhog package.
diff --git a/groundhog-th.cabal b/groundhog-th.cabal
--- a/groundhog-th.cabal
+++ b/groundhog-th.cabal
@@ -1,5 +1,5 @@
 name:            groundhog-th
-version:         0.4.2
+version:         0.4.2.2
 license:         BSD3
 license-file:    LICENSE
 author:          Boris Lykah <lykahb@gmail.com>
@@ -11,10 +11,13 @@
 cabal-version:   >= 1.6
 build-type:      Simple
 
+extra-source-files:
+    changelog
+
 library
     build-depends:   base                     >= 4         && < 5
                    , bytestring               >= 0.9
-                   , groundhog                >= 0.4.0     && < 0.5.0
+                   , groundhog                >= 0.4.2.2   && < 0.5.0
                    , template-haskell
                    , time                     >= 1.1.4
                    , containers               >= 0.2