diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for haskell-src-exts-simple
 
+## 1.23.0.0    — 2020-03-13
+
+* support haskell-src-exts 1.23.0
+
 ## 1.22.0.0    — 2019-11-05
 
 * support haskell-src-exts 1.22.0
diff --git a/haskell-src-exts-simple.cabal b/haskell-src-exts-simple.cabal
--- a/haskell-src-exts-simple.cabal
+++ b/haskell-src-exts-simple.cabal
@@ -1,5 +1,5 @@
 name:                haskell-src-exts-simple
-version:             1.22.0.0
+version:             1.23.0.0
 synopsis:            A simplified view on the haskell-src-exts AST
 description:
     This package provides a shim for haskell-src-exts (HSE), exposing the
@@ -10,7 +10,7 @@
 license-file:        LICENSE
 author:              Bertram Felgenhauer
 maintainer:          Bertram Felgenhauer <int-e@gmx.de>
-copyright:           2016, Bertram Felgenhauer
+copyright:           2016-2020, Bertram Felgenhauer
 category:            Development
 build-type:          Simple
 extra-source-files:
@@ -39,6 +39,6 @@
         ScopedTypeVariables
     build-depends:
         base >= 4.9 && < 5,
-        haskell-src-exts >= 1.22 && < 1.23
+        haskell-src-exts >= 1.23 && < 1.24
     hs-source-dirs:      src
     default-language:    Haskell2010
diff --git a/src/Language/Haskell/Exts/Simple/Syntax.hs b/src/Language/Haskell/Exts/Simple/Syntax.hs
--- a/src/Language/Haskell/Exts/Simple/Syntax.hs
+++ b/src/Language/Haskell/Exts/Simple/Syntax.hs
@@ -485,6 +485,7 @@
 pattern RightArrApp a b = H.RightArrApp () (a :: Exp) (b :: Exp) :: Exp
 pattern LeftArrHighApp a b = H.LeftArrHighApp () (a :: Exp) (b :: Exp) :: Exp
 pattern RightArrHighApp a b = H.RightArrHighApp () (a :: Exp) (b :: Exp) :: Exp
+pattern ArrOp a = H.ArrOp () (a :: Exp) :: Exp
 pattern LCase a = H.LCase () (a :: [Alt]) :: Exp
 
 -- ** `H.XName`
