diff --git a/src/Main.hs b/src/Main.hs
index 0bbb519..25aab3f 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -1,8 +1,11 @@
 {-# LANGUAGE NamedFieldPuns #-}
+{-# LANGUAGE CPP #-}
 module Main where
 
 import Control.Applicative (many, optional)
+#if !MIN_VERSION_base(4,11,0)
 import Data.Monoid ((<>))
+#endif
 import qualified Data.Text as Text (unpack)
 import Data.Version (showVersion)
 import Options.Applicative (