diff --git a/doctemplates.cabal b/doctemplates.cabal
--- a/doctemplates.cabal
+++ b/doctemplates.cabal
@@ -1,5 +1,5 @@
 name:                doctemplates
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Pandoc-style document templates
 description:         Please see README.md
 homepage:            https://github.com/jgm/doctemplates#readme
@@ -29,6 +29,7 @@
                        unordered-containers,
                        scientific
   default-language:    Haskell2010
+  ghc-options:         -Wall -fno-warn-unused-do-bind
 
 test-suite doctemplates-test
   type:                exitcode-stdio-1.0
diff --git a/src/Text/DocTemplates.hs b/src/Text/DocTemplates.hs
--- a/src/Text/DocTemplates.hs
+++ b/src/Text/DocTemplates.hs
@@ -83,7 +83,7 @@
 import qualified Text.Parsec as P
 import Text.Parsec.Text (Parser)
 import qualified Data.Set as Set
-import Data.Monoid ((<>))
+import Data.Monoid
 import qualified Data.Text as T
 import Data.Text (Text)
 import Data.Text.Encoding (encodeUtf8)