diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,7 +1,3 @@
-## 2.1.4
-
-support http-api-data for url serialization
-
 ## 2.1.3.3
 
 By default explicitly use Int64 for foreign key references.
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -2,3 +2,10 @@
 
 Provides Template Haskell helpers for persistent. For more information, see
 [the chapter in the Yesod book](http://www.yesodweb.com/book/persistent).
+
+### code organization
+
+The TH.hs module contains code generators.
+persistent-template uses `EntityDef`s that it gets from the quasi-quoter.
+The quasi-quoter is in persistent Quasi.hs
+Similarly mant of the types come from the persistent library
diff --git a/persistent-template.cabal b/persistent-template.cabal
--- a/persistent-template.cabal
+++ b/persistent-template.cabal
@@ -1,5 +1,5 @@
 name:            persistent-template
-version:         2.1.4
+version:         2.1.5
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -17,14 +17,14 @@
 library
     build-depends:   base                     >= 4.6         && < 5
                    , template-haskell
-                   , persistent               >= 2.1.3     && < 3
+                   , persistent               >= 2.2.2     && < 3
                    , monad-control            >= 0.2       && < 1.1
                    , bytestring               >= 0.9
                    , text                     >= 0.5
                    , transformers             >= 0.2       && < 0.5
                    , containers
                    , aeson                    >= 0.7       && < 0.11
-                   , aeson-extra              >= 0.2.1.0   && < 0.3
+                   , aeson-compat             >= 0.3.0.0   && < 0.4
                    , monad-logger
                    , unordered-containers
                    , tagged
diff --git a/test/main.hs b/test/main.hs
--- a/test/main.hs
+++ b/test/main.hs
@@ -53,12 +53,6 @@
     bin Int
 |]
 
--- ensure no-json works
-instance ToJSON NoJson where
-    toJSON = undefined
-instance FromJSON NoJson where
-    parseJSON = undefined
-
 arbitraryT = pack <$> arbitrary
 
 instance Arbitrary Person where