diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,8 @@
+## 0.4.6
+
+* Resolve redundant import of Data.Monoid [#26](https://github.com/snoyberg/cookie/pull/26)
+* Added `renderSetCookieBS` and `renderCookiesBS`
+
 ## 0.4.5
 
 * Added `SameSite=None`
diff --git a/Web/Cookie.hs b/Web/Cookie.hs
--- a/Web/Cookie.hs
+++ b/Web/Cookie.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Web.Cookie
     ( -- * Server to client
@@ -19,12 +20,14 @@
       -- ** Functions
     , parseSetCookie
     , renderSetCookie
+    , renderSetCookieBS
     , defaultSetCookie
     , def
       -- * Client to server
     , Cookies
     , parseCookies
     , renderCookies
+    , renderCookiesBS
       -- ** UTF8 Version
     , CookiesText
     , parseCookiesText
@@ -37,10 +40,13 @@
 
 import qualified Data.ByteString as S
 import qualified Data.ByteString.Char8 as S8
+import qualified Data.ByteString.Lazy as L
 import Data.Char (toLower, isDigit)
-import Data.ByteString.Builder (Builder, byteString, char8)
+import Data.ByteString.Builder (Builder, byteString, char8, toLazyByteString)
 import Data.ByteString.Builder.Extra (byteStringCopy)
+#if !(MIN_VERSION_base(4,8,0))
 import Data.Monoid (mempty, mappend, mconcat)
+#endif
 import Data.Word (Word8)
 import Data.Ratio (numerator, denominator)
 import Data.Time (UTCTime (UTCTime), toGregorian, fromGregorian, formatTime, parseTimeM, defaultTimeLocale)
@@ -101,6 +107,10 @@
 renderCookies :: Cookies -> Builder
 renderCookies = renderCookiesBuilder . map (byteString *** byteString)
 
+-- | @since 0.4.6
+renderCookiesBS :: Cookies -> S.ByteString
+renderCookiesBS = L.toStrict . toLazyByteString . renderCookies
+
 -- | Data type representing the key-value pair to use for a cookie, as well as configuration options for it.
 --
 -- ==== Creating a SetCookie
@@ -222,6 +232,10 @@
         Just Strict -> byteStringCopy "; SameSite=Strict"
         Just None -> byteStringCopy "; SameSite=None"
     ]
+
+-- | @since 0.4.6
+renderSetCookieBS :: SetCookie -> S.ByteString
+renderSetCookieBS = L.toStrict . toLazyByteString . renderSetCookie
 
 parseSetCookie :: S.ByteString -> SetCookie
 parseSetCookie a = SetCookie
diff --git a/cookie.cabal b/cookie.cabal
--- a/cookie.cabal
+++ b/cookie.cabal
@@ -1,5 +1,5 @@
 name:            cookie
-version:         0.4.5
+version:         0.4.6
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -8,12 +8,13 @@
 description:     Hackage documentation generation is not reliable. For up to date documentation, please see: <https://www.stackage.org/package/cookie>.
 category:        Web, Yesod
 stability:       Stable
-cabal-version:   >= 1.8
+cabal-version:   >= 1.10
 build-type:      Simple
 homepage:        http://github.com/snoyberg/cookie
 extra-source-files: README.md ChangeLog.md
 
 library
+    default-language: Haskell2010
     build-depends:   base                      >= 4        && < 5
                    , bytestring                >= 0.10.2
                    , time                      >= 1.5
@@ -24,6 +25,7 @@
     ghc-options:     -Wall
 
 test-suite test
+    default-language: Haskell2010
     hs-source-dirs: test
     main-is: Spec.hs
     type: exitcode-stdio-1.0