diff --git a/lib/Ribosome/Test/Embed.hs b/lib/Ribosome/Test/Embed.hs
--- a/lib/Ribosome/Test/Embed.hs
+++ b/lib/Ribosome/Test/Embed.hs
@@ -160,7 +160,7 @@
   result <- race (sleepW tcTimeout) (runNeovimThunk testCfg thunk)
   case result of
     Right _ -> return ()
-    Left _ -> fail $ "test exceeded timeout of " <> show tcTimeout <> " seconds"
+    Left _ -> fail $ "test exceeded timeout of " ++ show tcTimeout ++ " seconds"
 
 runEmbeddedNvim :: TestConfig -> Ribosome e -> Ribo e () -> NvimProc -> IO ()
 runEmbeddedNvim conf ribo thunk prc = do
diff --git a/ribosome.cabal b/ribosome.cabal
--- a/ribosome.cabal
+++ b/ribosome.cabal
@@ -1,6 +1,6 @@
 cabal-version: 1.12
 name: ribosome
-version: 0.2.0.0
+version: 0.2.1.0
 license: MIT
 license-file: LICENSE
 copyright: 2019 Torsten Schmits