diff --git a/Data/Text/IO/SaferFileHandles.hs b/Data/Text/IO/SaferFileHandles.hs
--- a/Data/Text/IO/SaferFileHandles.hs
+++ b/Data/Text/IO/SaferFileHandles.hs
@@ -50,9 +50,7 @@
 import Control.Monad.Trans.Region ( AncestorRegion )
 
 -- from safer-file-handles:
-import System.IO.SaferFileHandles ( RegionalFileHandle
-                                  , ReadModes, WriteModes
-                                  )
+import System.IO.SaferFileHandles        ( FileHandle, ReadModes, WriteModes )
 import System.IO.SaferFileHandles.Unsafe ( wrap, wrap2 )
 
 
@@ -61,24 +59,32 @@
 -------------------------------------------------------------------------------
 
 -- | Wraps: @Data.Text.IO.'T.hGetLine'@.
-hGetLine ∷ (pr `AncestorRegion` cr, MonadIO cr, ReadModes ioMode)
-         ⇒ RegionalFileHandle ioMode pr → cr Text
+hGetLine ∷ ( FileHandle handle, ReadModes ioMode
+           , pr `AncestorRegion` cr, MonadIO cr
+           )
+         ⇒ handle ioMode pr → cr Text
 hGetLine = wrap E.hGetLine
 
 -- | Wraps: @Data.Text.IO.'T.hGetContents'@.
-hGetContents ∷ (pr `AncestorRegion` cr, MonadIO cr, ReadModes ioMode)
-             ⇒ RegionalFileHandle ioMode pr → cr Text
+hGetContents ∷ ( FileHandle handle, ReadModes ioMode
+               , pr `AncestorRegion` cr, MonadIO cr
+               )
+             ⇒ handle ioMode pr → cr Text
 hGetContents = wrap E.hGetContents
 
 
 -- | Wraps: @Data.Text.IO.'T.hPutStr'@.
-hPutStr ∷ (pr `AncestorRegion` cr, MonadIO cr, WriteModes ioMode)
-        ⇒ RegionalFileHandle ioMode pr → Text → cr ()
+hPutStr ∷ ( FileHandle handle, WriteModes ioMode
+          , pr `AncestorRegion` cr, MonadIO cr
+          )
+        ⇒ handle ioMode pr → Text → cr ()
 hPutStr = wrap2 E.hPutStr
 
 -- | Wraps: @Data.Text.IO.'T.hPutStrLn'@.
-hPutStrLn ∷ (pr `AncestorRegion` cr, MonadIO cr, WriteModes ioMode)
-          ⇒ RegionalFileHandle ioMode pr → Text → cr ()
+hPutStrLn ∷ ( FileHandle handle, WriteModes ioMode
+            , pr `AncestorRegion` cr, MonadIO cr
+            )
+          ⇒ handle ioMode pr → Text → cr ()
 hPutStrLn = wrap2 E.hPutStrLn
 
 
diff --git a/Data/Text/Lazy/IO/SaferFileHandles.hs b/Data/Text/Lazy/IO/SaferFileHandles.hs
--- a/Data/Text/Lazy/IO/SaferFileHandles.hs
+++ b/Data/Text/Lazy/IO/SaferFileHandles.hs
@@ -50,9 +50,7 @@
 import Control.Monad.Trans.Region ( AncestorRegion )
 
 -- from safer-file-handles:
-import System.IO.SaferFileHandles ( RegionalFileHandle
-                                  , ReadModes, WriteModes
-                                  )
+import System.IO.SaferFileHandles        ( FileHandle, ReadModes, WriteModes )
 import System.IO.SaferFileHandles.Unsafe ( wrap, wrap2 )
 
 
@@ -61,24 +59,32 @@
 -------------------------------------------------------------------------------
 
 -- | Wraps: @Data.Text.Lazy.IO.'T.hGetLine'@.
-hGetLine ∷ (pr `AncestorRegion` cr, MonadIO cr, ReadModes ioMode)
-         ⇒ RegionalFileHandle ioMode pr → cr Text
+hGetLine ∷ ( FileHandle handle, ReadModes ioMode
+           , pr `AncestorRegion` cr, MonadIO cr
+           )
+         ⇒ handle ioMode pr → cr Text
 hGetLine = wrap E.hGetLine
 
 -- | Wraps: @Data.Text.Lazy.IO.'T.hGetContents'@.
-hGetContents ∷ (pr `AncestorRegion` cr, MonadIO cr, ReadModes ioMode)
-             ⇒ RegionalFileHandle ioMode pr → cr Text
+hGetContents ∷ ( FileHandle handle, ReadModes ioMode
+               , pr `AncestorRegion` cr, MonadIO cr
+               )
+             ⇒ handle ioMode pr → cr Text
 hGetContents = wrap E.hGetContents
 
 
 -- | Wraps: @Data.Text.Lazy.IO.'T.hPutStr'@.
-hPutStr ∷ (pr `AncestorRegion` cr, MonadIO cr, WriteModes ioMode)
-        ⇒ RegionalFileHandle ioMode pr → Text → cr ()
+hPutStr ∷ ( FileHandle handle, WriteModes ioMode
+          , pr `AncestorRegion` cr, MonadIO cr
+          )
+        ⇒ handle ioMode pr → Text → cr ()
 hPutStr = wrap2 E.hPutStr
 
 -- | Wraps: @Data.Text.Lazy.IO.'T.hPutStrLn'@.
-hPutStrLn ∷ (pr `AncestorRegion` cr, MonadIO cr, WriteModes ioMode)
-          ⇒ RegionalFileHandle ioMode pr → Text → cr ()
+hPutStrLn ∷ ( FileHandle handle, WriteModes ioMode
+            , pr `AncestorRegion` cr, MonadIO cr
+            )
+          ⇒ handle ioMode pr → Text → cr ()
 hPutStrLn = wrap2 E.hPutStrLn
 
 
diff --git a/safer-file-handles-text.cabal b/safer-file-handles-text.cabal
--- a/safer-file-handles-text.cabal
+++ b/safer-file-handles-text.cabal
@@ -1,5 +1,5 @@
 name:          safer-file-handles-text
-version:       0.1.0.5
+version:       0.2
 cabal-version: >=1.6
 build-type:    Custom
 license:       BSD3
@@ -18,10 +18,10 @@
 
 Library
   GHC-Options: -Wall
-  build-depends: text                  >= 0.7 && < 0.12
-               , regions               >= 0.8 && < 0.9
-               , transformers          >= 0.2 && < 0.3
-               , explicit-iomodes-text >= 0.1 && < 0.2
-               , safer-file-handles    >= 0.9 && < 0.10
+  build-depends: text                  >= 0.7  && < 0.12
+               , regions               >= 0.9  && < 0.10
+               , transformers          >= 0.2  && < 0.3
+               , explicit-iomodes-text >= 0.1  && < 0.2
+               , safer-file-handles    >= 0.10 && < 0.11
   exposed-modules: Data.Text.IO.SaferFileHandles
                    Data.Text.Lazy.IO.SaferFileHandles