diff --git a/CHANGES.md b/CHANGES.md
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,7 @@
+## [v0.4.0.1](https://github.com/diagrams/diagrams-haddock/tree/v0.4.0.1) (2016-11-28)
+
+- Allow `haskell-src-exts-1.19` and `haskell-src-exts-simple-1.19`
+
 ## [v0.4](https://github.com/diagrams/diagrams-haddock/tree/v0.4) (2016-10-26)
 
 - Build with `ghc-8.0`
diff --git a/diagrams-haddock.cabal b/diagrams-haddock.cabal
--- a/diagrams-haddock.cabal
+++ b/diagrams-haddock.cabal
@@ -1,5 +1,5 @@
 name:                diagrams-haddock
-version:             0.4
+version:             0.4.0.1
 synopsis:            Preprocessor for embedding diagrams in Haddock documentation
 description:         diagrams-haddock is a tool for compiling embedded inline
                      diagrams code in Haddock documentation, for an
@@ -44,7 +44,7 @@
                        bytestring >= 0.9 && < 0.11,
                        strict >= 0.3 && < 0.4,
                        parsec >= 3,
-                       haskell-src-exts >= 1.18 && < 1.19,
+                       haskell-src-exts >= 1.18 && < 1.20,
                        svg-builder >= 0.1 && < 0.2,
                        diagrams-builder >= 0.5 && < 0.9,
                        diagrams-lib >= 1.4 && < 1.5,
@@ -83,7 +83,7 @@
                        tasty-quickcheck >= 0.8 && < 0.9,
                        parsec >= 3,
                        lens >= 3.8 && < 4.16,
-                       haskell-src-exts >= 1.18 && < 1.19,
+                       haskell-src-exts >= 1.18 && < 1.20,
                        diagrams-haddock
   hs-source-dirs:      test
   default-language:    Haskell2010