diff --git a/library/YamlUnscrambler/Prelude.hs b/library/YamlUnscrambler/Prelude.hs
--- a/library/YamlUnscrambler/Prelude.hs
+++ b/library/YamlUnscrambler/Prelude.hs
@@ -31,7 +31,6 @@
 import Data.Function as Exports hiding (id, (.))
 import Data.Functor as Exports
 import Data.Functor.Compose as Exports
-import Data.Functor.Contravariant as Exports
 import Data.Int as Exports
 import Data.IORef as Exports
 import Data.Ix as Exports
diff --git a/yaml-unscrambler.cabal b/yaml-unscrambler.cabal
--- a/yaml-unscrambler.cabal
+++ b/yaml-unscrambler.cabal
@@ -1,5 +1,5 @@
 name: yaml-unscrambler
-version: 0.1
+version: 0.1.0.1
 synopsis: Flexible declarative YAML parsing toolkit
 stability: Experimental
 homepage: https://github.com/nikita-volkov/yaml-unscrambler