diff --git a/cas-store.cabal b/cas-store.cabal
--- a/cas-store.cabal
+++ b/cas-store.cabal
@@ -1,5 +1,5 @@
 Name:                cas-store
-Version:             1.0.0
+Version:             1.0.1
 Synopsis:            A content-addressed storage
 Description:
             A content-addressed storage supporting a remote caching. The API mainly consists of the cacheKleisliIO function which takes a (a -> m b) function
@@ -26,13 +26,14 @@
    Exposed-modules:  Data.CAS.ContentStore
                    , Data.CAS.Lock
                    , Data.CAS.RemoteCache
+                   , Data.CAS.StoreOrphans
    Other-modules: Data.CAS.ContentStore.Notify
    Build-depends:
                  base                    >= 4.6 && <5
                , aeson                   >= 1.2.3.0
                , async
                , bytestring
-               , cas-hashable            >= 1.0.0 && < 2
+               , cas-hashable            >= 1.0.1 && < 2
                , containers
                , cryptonite
                , directory
diff --git a/src/Data/CAS/ContentStore.hs b/src/Data/CAS/ContentStore.hs
--- a/src/Data/CAS/ContentStore.hs
+++ b/src/Data/CAS/ContentStore.hs
@@ -146,6 +146,7 @@
 import qualified Data.ByteString                     as BS
 import qualified Data.ByteString.Char8               as C8
 import           Data.CAS.ContentStore.Notify
+import           Data.CAS.StoreOrphans               ()
 import           Data.Foldable                       (asum)
 import qualified Data.Hashable
 import           Data.List                           (foldl', stripPrefix)
diff --git a/src/Data/CAS/StoreOrphans.hs b/src/Data/CAS/StoreOrphans.hs
new file mode 100644
--- /dev/null
+++ b/src/Data/CAS/StoreOrphans.hs
@@ -0,0 +1,41 @@
+{-# OPTIONS_GHC -fno-warn-orphans #-}
+{-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE LambdaCase        #-}
+{-# LANGUAGE OverloadedStrings #-}
+
+-- | Dedicated module for orphan instances.
+module Data.CAS.StoreOrphans where
+
+import           Data.Functor.Contravariant
+import           Data.CAS.ContentHashable
+import           Data.Store                 as Store
+import qualified Path                       as Path
+import qualified Path.Internal
+
+
+instance Store (Path.Path Path.Abs Path.File) where
+  size = contramap (\(Path.Internal.Path fp) -> fp) Store.size
+  peek = Path.Internal.Path <$> Store.peek
+  poke = Store.poke . (\(Path.Internal.Path fp) -> fp)
+instance Store (Path.Path Path.Abs Path.Dir) where
+  size = contramap (\(Path.Internal.Path fp) -> fp) Store.size
+  peek = Path.Internal.Path <$> Store.peek
+  poke = Store.poke . (\(Path.Internal.Path fp) -> fp)
+instance Store (Path.Path Path.Rel Path.File) where
+  size = contramap (\(Path.Internal.Path fp) -> fp) Store.size
+  peek = Path.Internal.Path <$> Store.peek
+  poke = Store.poke . (\(Path.Internal.Path fp) -> fp)
+instance Store (Path.Path Path.Rel Path.Dir) where
+  size = contramap (\(Path.Internal.Path fp) -> fp) Store.size
+  peek = Path.Internal.Path <$> Store.peek
+  poke = Store.poke . (\(Path.Internal.Path fp) -> fp)
+
+instance Store ContentHash where
+  size = contramap toBytes size
+  peek = fromBytes <$> peek >>= \case
+    Nothing -> peekException "Store ContentHash: Illegal digest"
+    Just x -> return x
+  poke = poke . toBytes
+
+instance Store ExternallyAssuredFile
+instance Store ExternallyAssuredDirectory