diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,15 @@
+## 0.4.0.1 (March 2022)
+
+* Support text-icu == 0.8.* in tests
+* Support unicode-data == 0.3.*
+
+## 0.4.0 (November 2021)
+
+* Bump `unicode-data` to `0.2`
+* Allow `text 2.0`
+* Update to Unicode version 14.0.0
+* Drop support for GHC 7.10
+
 ## 0.3.8
 
 * Allow ghc-prim 0.7
diff --git a/Data/Unicode/Internal/NormalizeStream.hs b/Data/Unicode/Internal/NormalizeStream.hs
--- a/Data/Unicode/Internal/NormalizeStream.hs
+++ b/Data/Unicode/Internal/NormalizeStream.hs
@@ -1,5 +1,6 @@
 {-# OPTIONS_GHC -funbox-strict-fields #-}
 {-# LANGUAGE BangPatterns #-}
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE TupleSections #-}
 -- |
@@ -22,7 +23,6 @@
     )
     where
 
-import Data.Bits (shiftR)
 import Data.Char (chr, ord)
 import GHC.ST (ST(..))
 import GHC.Types (SPEC(..))
@@ -30,13 +30,21 @@
 import qualified Data.Text.Array as A
 import qualified Unicode.Char as UC
 
+#if MIN_VERSION_text(2,0,0)
+import Data.Text.Internal.Fusion (stream)
+#else
+import Data.Bits (shiftR)
+import Data.Text.Internal.Unsafe.Char (unsafeChr)
+import Data.Text.Internal.Fusion.Size (betweenSize)
+import Data.Text.Internal.Encoding.Utf16 (chr2)
+#endif
+
 -- Internal modules
 import Data.Text.Internal (Text(..))
-import Data.Text.Internal.Fusion.Size (betweenSize, upperBound)
+import Data.Text.Internal.Fusion.Size (upperBound)
 import Data.Text.Internal.Fusion.Types (Step(..), Stream(..))
 import Data.Text.Internal.Private (runText)
-import Data.Text.Internal.Unsafe.Char (unsafeChr, unsafeWrite)
-import Data.Text.Internal.Encoding.Utf16 (chr2)
+import Data.Text.Internal.Unsafe.Char (unsafeWrite)
 
 -------------------------------------------------------------------------------
 -- Reorder buffer to hold characters till the next starter boundary
@@ -142,6 +150,7 @@
             n <- unsafeWrite arr j c
             return (j + n, Empty)
 
+#if !MIN_VERSION_text(2,0,0)
 -- | /O(n)/ Convert a 'Text' into a 'Stream Char'.
 stream :: Text -> Stream Char
 stream (Text arr off len) = Stream next off (betweenSize (len `shiftR` 1) len)
@@ -158,6 +167,7 @@
             n  = A.unsafeIndex arr i
             n2 = A.unsafeIndex arr (i + 1)
 {-# INLINE [0] stream #-}
+#endif
 
 -- | /O(n)/ Convert a 'Stream Char' into a decompose-normalized 'Text'.
 unstream :: UC.DecomposeMode -> Stream Char -> Text
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 [![Windows Build status](https://ci.appveyor.com/api/projects/status/5wov8m1m0asvbv32?svg=true)](https://ci.appveyor.com/project/harendra-kumar/unicode-transforms)
 [![Coverage Status](https://coveralls.io/repos/composewell/unicode-transforms/badge.svg?branch=master&service=github)](https://coveralls.io/github/composewell/unicode-transforms?branch=master)
 
-Fast Unicode 13.0.0 normalization in Haskell (NFC, NFKC, NFD, NFKD).
+Fast Unicode 14.0.0 normalization in Haskell (NFC, NFKC, NFD, NFKD).
 
 ## What is normalization?
 
diff --git a/download-ucd-files.sh b/download-ucd-files.sh
--- a/download-ucd-files.sh
+++ b/download-ucd-files.sh
@@ -4,11 +4,11 @@
 # we used to generate them earlier are exactly the same as the ones we are
 # downloading. To ensure that verfication of the checksum is necessary.
 
-VERSION=13.0.0
+VERSION=14.0.0
 
 SRC_FILE="https://www.unicode.org/Public/$VERSION/ucd/NormalizationTest.txt"
 DST_FILE="test/data/NormalizationTest.txt"
-SRC_FILE_CKSUM="d60ee55dd9169444652e48d337109cc814ecc59a9d3122eedddf7de388f2e01d"
+SRC_FILE_CKSUM="7cb30cc2abe6c29c292b99095865d379ce1213045c78c4ff59c7e9391bbe2331"
 
 
 # Download the file
diff --git a/test/NormalizationTest.hs b/test/NormalizationTest.hs
--- a/test/NormalizationTest.hs
+++ b/test/NormalizationTest.hs
@@ -12,6 +12,7 @@
 --
 
 import Control.Monad (when)
+import qualified Data.ByteString as B
 import Data.Char (chr, isSpace, ord, toUpper)
 #if MIN_VERSION_base(4,8,0)
 import Data.Function ((&))
@@ -20,6 +21,7 @@
 import Data.List.Split (splitOn)
 import Data.Text (Text)
 import qualified Data.Text as T
+import qualified Data.Text.Encoding as T
 import Data.Text.Normalize (NormalizationMode(NFD, NFKD, NFC, NFKC), normalize)
 import Text.Printf (printf)
 
@@ -109,7 +111,7 @@
 
 testNormalize :: FilePath -> IO ()
 testNormalize file = do
-    contents <- readFile file
+    contents <- T.unpack . T.decodeUtf8 <$> B.readFile file
     let ls = lines contents                        -- split into lines
          & map (dropWhile isSpace)                 -- trim leading spaces
          & zip [1..]                               -- add numbering
diff --git a/test/Properties.hs b/test/Properties.hs
--- a/test/Properties.hs
+++ b/test/Properties.hs
@@ -15,7 +15,12 @@
 
 #ifdef HAS_ICU
 import Data.Text (pack)
-import qualified Data.Text.ICU as ICU
+
+#if MIN_VERSION_text_icu(0,8,0)
+import qualified Data.Text.ICU.Normalize2 as ICU
+#else
+import qualified Data.Text.ICU.Normalize as ICU
+#endif
 
 toICUMode :: NormalizationMode -> ICU.NormalizationMode
 toICUMode mode =
diff --git a/test/data/NormalizationTest.txt b/test/data/NormalizationTest.txt
# file too large to diff: test/data/NormalizationTest.txt
diff --git a/unicode-transforms.cabal b/unicode-transforms.cabal
--- a/unicode-transforms.cabal
+++ b/unicode-transforms.cabal
@@ -1,9 +1,9 @@
 cabal-version: 2.2
 
 name:           unicode-transforms
-version:        0.3.8
+version:        0.4.0.1
 synopsis:       Unicode normalization
-description:    Fast Unicode 13.0.0 normalization in Haskell (NFC, NFKC, NFD, NFKD).
+description:    Fast Unicode 14.0.0 normalization in Haskell (NFC, NFKC, NFD, NFKD).
 category:       Data,Text,Unicode
 stability:      Experimental
 homepage:       http://github.com/composewell/unicode-transforms
@@ -14,14 +14,14 @@
                 2014–2015 Antonio Nikishaev
 license:        BSD-3-Clause
 license-file:   LICENSE
-tested-with:    GHC==7.10.3
-              , GHC==8.0.2
+tested-with:    GHC==8.0.2
               , GHC==8.2.2
               , GHC==8.4.4
               , GHC==8.6.5
               , GHC==8.8.4
-              , GHC==8.10.3
+              , GHC==8.10.7
               , GHC==9.0.1
+              , GHC==9.2.1
 build-type:     Simple
 extra-source-files:
     Changelog.md
@@ -82,14 +82,14 @@
   hs-source-dirs: .
   ghc-options: -Wall -fwarn-identities -fwarn-incomplete-record-updates -fwarn-incomplete-uni-patterns -fwarn-tabs
   build-depends:
-      base >=4.8 && <5
-    , unicode-data >= 0.1 && <0.2
-    , bytestring >=0.9 && <0.12
-    , ghc-prim >= 0.2 && < 0.8
+      base         >= 4.8 && < 4.17
+    , unicode-data >= 0.2 && < 0.4
+    , bytestring   >= 0.9 && < 0.12
+    , ghc-prim     >= 0.2 && < 0.9
 
     -- We depend on a lot of internal modules in text. We keep the upper bound
     -- inclusive of the latest stable version.
-    , text >= 1.1.1 && <= 1.2.4.1
+    , text         >=1.1.1 && <=1.2.5.0 || >=2.0 && <2.1
   if flag(dev)
     ghc-options: -O0
   else
@@ -108,9 +108,9 @@
   ghc-options: -Wall -fwarn-identities -fwarn-incomplete-record-updates -fwarn-incomplete-uni-patterns -fwarn-tabs
   build-depends:
       QuickCheck >=2.1 && <2.15
-    , base >=4.7 && <5
+    , base
     , deepseq >=1.1 && <1.5
-    , text >=1.1.1 && <1.3
+    , text
     , unicode-transforms
   if flag(dev)
     ghc-options: -O0
@@ -129,12 +129,12 @@
       test
   ghc-options: -Wall -fwarn-identities -fwarn-incomplete-record-updates -fwarn-incomplete-uni-patterns -fwarn-tabs
   build-depends:
-      QuickCheck >=2.1 && <2.15
-    , unicode-data >= 0.1 && <0.2
-    , base >=4.7 && <5
-    , deepseq >=1.1 && <1.5
-    , hspec >= 2.0 && < 3
-    , text >=1.1.1 && <1.3
+      QuickCheck
+    , unicode-data
+    , base
+    , deepseq
+    , hspec        >= 2.0   && < 3
+    , text
     , unicode-transforms
   if flag(dev)
     ghc-options: -O0
@@ -145,7 +145,7 @@
   if flag(has-icu)
     cpp-options: -DHAS_ICU
     build-depends:
-        text-icu >=0.6.2.1
+        text-icu >=0.6.2.1 && <0.9
   default-language: Haskell2010
 
 test-suite ucd
@@ -155,10 +155,10 @@
       test
   ghc-options: -Wall -fwarn-identities -fwarn-incomplete-record-updates -fwarn-incomplete-uni-patterns -fwarn-tabs
   build-depends:
-      base >=4.7 && <5
-    , getopt-generics >=0.11 && <0.14
-    , split >=0.1 && <0.3
-    , text >=1.1.1 && <1.3
+      base
+    , bytestring
+    , split >=0.2 && <0.3
+    , text
     , unicode-transforms
   if flag(dev)
     ghc-options: -O0
@@ -175,12 +175,12 @@
       benchmark
   ghc-options: -Wall -fwarn-identities -fwarn-incomplete-record-updates -fwarn-incomplete-uni-patterns -fwarn-tabs
   build-depends:
-      base >=4.7 && <5
-    , deepseq >=1.1.0 && <1.5
+      base
+    , deepseq
     , filepath >=1.0 && <2
     , path >=0.0.0 && <0.9
     , path-io >=0.1.0 && <1.7
-    , text >=1.1.1 && <1.3
+    , text
     , unicode-transforms
   if flag(use-gauge)
     build-depends: gauge >=0.2.0 && <0.3
@@ -196,7 +196,7 @@
   if flag(has-icu)
     cpp-options: -DBENCH_ICU
     build-depends:
-        text-icu >=0.6.2.1 && <0.8
+        text-icu
   if impl(ghc < 7.10)
     build-depends:
         path (<0.5.12 || >0.5.12)
@@ -209,9 +209,9 @@
   if flag(bench-show)
     buildable: True
     build-Depends:
-        base >= 4.8 && < 5
+        base
       , bench-show >= 0.3 && < 0.4
-      , split >= 0.2 && < 0.3
+      , split
       , transformers >= 0.4   && < 0.6
   else
     buildable: False