diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+0.9.2
+  * Data instances for Rel, Abs, File, and Dir.
+  * Bump hashable upper bound to <1.5.
+
 0.9.1
   * Support for genvalidity >=1.0.0.0
   * `mapSomeBase` and `prjSomeBase` for modifying or projecting SomeBase.
diff --git a/path.cabal b/path.cabal
--- a/path.cabal
+++ b/path.cabal
@@ -1,5 +1,5 @@
 name:                path
-version:             0.9.1
+version:             0.9.2
 synopsis:            Support for well-typed paths
 description:         Support for well-typed paths.
 license:             BSD3
@@ -35,7 +35,7 @@
                    , deepseq
                    , exceptions >= 0.4     && < 0.11
                    , filepath   < 1.2.0.1  || >= 1.3
-                   , hashable   >= 1.2     && < 1.4
+                   , hashable   >= 1.2     && < 1.5
                    , text
                    , template-haskell
   if flag(dev)
diff --git a/src/Path/Include.hs b/src/Path/Include.hs
--- a/src/Path/Include.hs
+++ b/src/Path/Include.hs
@@ -120,17 +120,17 @@
 -- Types
 
 -- | An absolute path.
-data Abs deriving (Typeable)
+data Abs deriving (Typeable, Data)
 
 -- | A relative path; one without a root. Note that a @..@ path component to
 -- represent the parent directory is not allowed by this library.
-data Rel deriving (Typeable)
+data Rel deriving (Typeable, Data)
 
 -- | A file path.
-data File deriving (Typeable)
+data File deriving (Typeable, Data)
 
 -- | A directory path.
-data Dir deriving (Typeable)
+data Dir deriving (Typeable, Data)
 
 instance FromJSON (Path Abs File) where
   parseJSON = parseJSONWith parseAbsFile