diff --git a/src/Yesod/Form/Bootstrap4.hs b/src/Yesod/Form/Bootstrap4.hs
--- a/src/Yesod/Form/Bootstrap4.hs
+++ b/src/Yesod/Form/Bootstrap4.hs
@@ -3,6 +3,8 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE QuasiQuotes       #-}
 {-# LANGUAGE TypeFamilies      #-}
+{-# LANGUAGE TypeOperators     #-}
+{-# OPTIONS_GHC -Wno-partial-fields #-}
 
 -- | this program based on Yesod.Form.Bootstrap3 of yesod-form
 -- yesod-form under MIT license, author is Michael Snoyman <michael@snoyman.com>
diff --git a/yesod-form-bootstrap4.cabal b/yesod-form-bootstrap4.cabal
--- a/yesod-form-bootstrap4.cabal
+++ b/yesod-form-bootstrap4.cabal
@@ -1,13 +1,13 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.34.4.
+-- This file has been generated from package.yaml by hpack version 0.35.2.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: ff804c9ca3d6cfbfd0739b046089da182760fe65913f9ba4743c2cc86a850a50
+-- hash: f873b411adb4a24daf45ff2b104e18ebccdcc90ea440cf69c4a7f43c385a14bb
 
 name:           yesod-form-bootstrap4
-version:        3.0.1
+version:        3.0.1.1
 synopsis:       renderBootstrap4
 category:       Web
 homepage:       https://github.com/ncaq/yesod-form-bootstrap4#readme