diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Changelog for persistent-sqlite
 
+## 2.10.3
+
+* Unique constraints are correctly generated. [#922](https://github.com/yesodweb/persistent/pull/922) @kderme
+
 ## 2.10.2
 
 * Add a new `RawSqlite` type and `withRawSqliteConnInfo` function that allow  access to the underlying Sqlite `Connection` type. [#772](https://github.com/yesodweb/persistent/pull/772)
diff --git a/Database/Persist/Sqlite.hs b/Database/Persist/Sqlite.hs
--- a/Database/Persist/Sqlite.hs
+++ b/Database/Persist/Sqlite.hs
@@ -536,6 +536,7 @@
         , "("
         , T.intercalate "," $ map (escape . fieldDB) $ compositeFields pdef
         , ")"
+        , T.concat $ map sqlUnique uniqs
         , ")"
         ]
     Nothing -> T.concat
diff --git a/persistent-sqlite.cabal b/persistent-sqlite.cabal
--- a/persistent-sqlite.cabal
+++ b/persistent-sqlite.cabal
@@ -1,5 +1,5 @@
 name:            persistent-sqlite
-version:         2.10.2
+version:         2.10.3
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>