diff --git a/ProfilingReport.hs b/ProfilingReport.hs
--- a/ProfilingReport.hs
+++ b/ProfilingReport.hs
@@ -74,8 +74,8 @@
   } deriving Show
 
 data CostCentre = CostCentre
-  { costCentreName    :: ByteString
-  , costCentreModule  :: ByteString
+  { costCentreName    :: Text
+  , costCentreModule  :: Text
   , costCentreNo      :: Integer
   , costCentreEntries :: Integer
   , individualTime    :: Double
@@ -181,14 +181,15 @@
 nestLevel = howMany space
 
 costCentre :: Parser CostCentre
-costCentre = CostCentre <$> takeWhile (not . isSpace) <* spaces
-                        <*> takeWhile (not . isSpace) <* spaces
-                        <*> decimal                   <* spaces
-                        <*> decimal                   <* spaces
-                        <*> double                    <* spaces
-                        <*> double                    <* spaces
-                        <*> double                    <* spaces
-                        <*> double
+costCentre =
+    CostCentre <$> (T.decodeUtf8 <$> takeWhile (not . isSpace)) <* spaces
+               <*> (T.decodeUtf8 <$> takeWhile (not . isSpace)) <* spaces
+               <*> decimal                                      <* spaces
+               <*> decimal                                      <* spaces
+               <*> double                                       <* spaces
+               <*> double                                       <* spaces
+               <*> double                                       <* spaces
+               <*> double
 
 type Zipper = TreePos Full
 type Level = Int
diff --git a/README.markdown b/README.markdown
--- a/README.markdown
+++ b/README.markdown
@@ -29,3 +29,4 @@
 And thanks to the following contributors:
 
 * Ben Gamari (@bgamari)
+* Jasper Van der Jeugt (@jaspervdj)
diff --git a/tkyprof.cabal b/tkyprof.cabal
--- a/tkyprof.cabal
+++ b/tkyprof.cabal
@@ -1,5 +1,5 @@
 name:                 tkyprof
-version:              0.2.1.1
+version:              0.2.2
 license:              BSD3
 license-file:         LICENSE
 author:               Mitsutoshi Aoe
@@ -56,9 +56,10 @@
   hs-source-dirs:     ., config, bin
   other-modules:      Paths_tkyprof
   ghc-options:        -Wall -threaded
+  extensions:         TemplateHaskell
   build-depends:      base >= 4 && < 5
-                    , aeson >= 0.3 && < 0.7
-                    , attoparsec >= 0.9 && < 0.11
+                    , aeson >= 0.3 && < 0.8
+                    , attoparsec >= 0.9 && < 0.12
                     , attoparsec-conduit >= 1.0 && < 1.1
                     , bytestring >= 0.9 && < 0.11
                     , cmdargs >= 0.7 && < 0.11