diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for hpath-io
 
+## 0.14.0 -- 2020-07-04
+
+* Use hpath-directory-0.14.0
+
 ## 0.13.2 -- 2020-05-08
 
 * Add getDirsFilesStream and use streamly-posix for dircontents (#34)
diff --git a/hpath-io.cabal b/hpath-io.cabal
--- a/hpath-io.cabal
+++ b/hpath-io.cabal
@@ -1,5 +1,5 @@
 name:                hpath-io
-version:             0.13.2
+version:             0.14.0
 synopsis:            High-level IO operations on files/directories
 description:         High-level IO operations on files/directories, utilizing type-safe Paths
 -- bug-reports:
@@ -29,7 +29,7 @@
                    , bytestring >= 0.10.0.0
                    , exceptions
                    , hpath >= 0.11 && < 0.12
-                   , hpath-directory >= 0.13 && < 0.14
+                   , hpath-directory >= 0.14 && < 0.15
                    , hpath-posix     >= 0.13 && < 0.14
                    , safe-exceptions >= 0.1
                    , streamly >= 0.7
diff --git a/src/HPath/IO.hs b/src/HPath/IO.hs
--- a/src/HPath/IO.hs
+++ b/src/HPath/IO.hs
@@ -108,12 +108,14 @@
 import qualified Data.ByteString.Lazy          as L
 import           Data.Time.Clock
 import           Data.Time.Clock.POSIX          ( POSIXTime )
+import           Data.Word                      ( Word8 )
 import           HPath
 import           Prelude                 hiding ( appendFile
                                                 , readFile
                                                 , writeFile
                                                 )
 import           Streamly
+import           Streamly.Memory.Array
 import qualified System.IO                     as SIO
 import           System.Posix.Directory.ByteString
                                                 ( getWorkingDirectory )
@@ -193,8 +195,6 @@
 -- Throws in `Strict` CopyMode only:
 --
 --    - `AlreadyExists` if destination already exists
---
--- Note: may call `getcwd` (only if destination is a relative path)
 copyDirRecursive :: Path b1  -- ^ source dir
                  -> Path b2  -- ^ destination (parent dirs
                              --   are not automatically created)
@@ -233,7 +233,6 @@
 -- Notes:
 --
 --    - calls `symlink`
---    - calls `getcwd` in Overwrite mode (if destination is a relative path)
 recreateSymlink :: Path b1   -- ^ the old symlink file
                 -> Path b2   -- ^ destination file
                 -> CopyMode
@@ -276,10 +275,6 @@
 -- Throws in `Strict` mode only:
 --
 --    - `AlreadyExists` if destination already exists
---
--- Notes:
---
---    - may call `getcwd` in Overwrite mode (if destination is a relative path)
 copyFile :: Path b1   -- ^ source file
          -> Path b2   -- ^ destination file
          -> CopyMode
@@ -294,8 +289,6 @@
 --
 --    * examines filetypes explicitly
 --    * calls `copyDirRecursive` for directories
---
--- Note: may call `getcwd` in Overwrite mode (if destination is a relative path)
 easyCopy :: Path b1 -> Path b2 -> CopyMode -> RecursiveErrorMode -> IO ()
 easyCopy (Path from) (Path to) cm rm = RD.easyCopy from to cm rm
 
@@ -317,6 +310,8 @@
 --    - `InappropriateType` for wrong file type (directory)
 --    - `NoSuchThing` if the file does not exist
 --    - `PermissionDenied` if the directory cannot be read
+--
+-- Notes: calls `unlink`
 deleteFile :: Path b -> IO ()
 deleteFile (Path p) = RD.deleteFile p
 
@@ -453,8 +448,6 @@
 --      exist and cannot be written to
 --    - `AlreadyExists` if destination already exists and
 --      is *not* a directory
---
--- Note: calls `getcwd` if the input path is a relative path
 createDirRecursive :: FileMode -> Path b -> IO ()
 createDirRecursive fm (Path p) = RD.createDirRecursive fm p
 
@@ -539,7 +532,6 @@
 -- Notes:
 --
 --    - calls `rename` (but does not allow to rename over existing files)
---    - calls `getcwd` in Overwrite mode if destination is a relative path
 moveFile :: Path b1   -- ^ file to move
          -> Path b2   -- ^ destination
          -> CopyMode
@@ -555,14 +547,9 @@
     --------------------
 
 
--- |Read the given file *at once* into memory as a lazy ByteString.
--- Symbolic links are followed, no sanity checks on file size
--- or file type. File must exist. Uses Builders under the hood
--- (hence lazy ByteString).
---
--- Safety/reliability concerns:
+-- |Read the given file lazily.
 --
---    * the whole file is read into memory, this doesn't read lazily
+-- Symbolic links are followed. File must exist.
 --
 -- Throws:
 --
@@ -584,7 +571,7 @@
 --     - `PermissionDenied` if we cannot read the file or the directory
 --        containting it
 --     - `NoSuchThing` if the file does not exist
-readFileStream :: Path b -> IO (SerialT IO ByteString)
+readFileStream :: Path b -> IO (SerialT IO (Array Word8))
 readFileStream (Path fp) = RD.readFileStream fp