diff --git a/exec/Main.hs b/exec/Main.hs
--- a/exec/Main.hs
+++ b/exec/Main.hs
@@ -2,10 +2,10 @@
 
 import Control.Exception (Exception, throwIO)
 import Data.Monoid
-import Data.Text.Buildable (Buildable)
 import Data.Text.Lazy (Text)
 import Data.Text.Lazy.Builder (Builder)
 import Data.Traversable
+import Formatting.Buildable (Buildable)
 import Morte.Core (Expr, typeOf, normalize)
 import Morte.Import (load)
 import Morte.Parser (exprFromText)
diff --git a/morte.cabal b/morte.cabal
--- a/morte.cabal
+++ b/morte.cabal
@@ -1,5 +1,5 @@
 Name: morte
-Version: 1.6.17
+Version: 1.6.18
 Cabal-Version: >=1.8.0.2
 Build-Type: Simple
 Tested-With: GHC == 7.6.3, GHC == 7.8.4, GHC == 7.10.2, GHC == 8.0.1