diff --git a/cassava-megaparsec.cabal b/cassava-megaparsec.cabal
new file mode 100644
index 0000000..cccae8e
--- /dev/null
+++ b/cassava-megaparsec.cabal
@@ -0,0 +1,72 @@
+name:                 cassava-megaparsec
+version:              2.0.4
+x-revision:           1
+cabal-version:        1.18
+tested-with:
+  GHC == 9.4.4
+  GHC == 9.2.5
+  GHC == 9.0.2
+  GHC == 8.10.7
+  GHC == 8.8.4
+  GHC == 8.6.5
+  GHC == 8.4.4
+  GHC == 8.2.2
+license:              MIT
+license-file:         LICENSE.md
+author:               Mark Karpov <markkarpov92@gmail.org>
+maintainer:           Mark Karpov <markkarpov92@gmail.org>
+homepage:             https://github.com/stackbuilders/cassava-megaparsec
+bug-reports:          https://github.com/stackbuilders/cassava-megaparsec/issues
+category:             Text, Web, CSV, Parsing
+synopsis:             Megaparsec parser of CSV files that plays nicely with Cassava
+build-type:           Simple
+description:          Megaparsec parser of CSV files that plays nicely with Cassava.
+extra-doc-files:      CHANGELOG.md
+                    , README.md
+
+source-repository head
+  type:               git
+  location:           https://github.com/stackbuilders/cassava-megaparsec.git
+
+flag dev
+  description:        Turn on development settings.
+  manual:             True
+  default:            False
+
+library
+  build-depends:      base             >= 4.8   && < 5.0
+                    , bytestring       >= 0.9   && < 0.12
+                    , cassava          >= 0.4.2 && < 0.6
+                    , megaparsec       >= 7.0   && < 10.0
+                    , unordered-containers >= 0.2.7 && < 0.3
+                    , vector           >= 0.11  && < 0.14
+  exposed-modules:    Data.Csv.Parser.Megaparsec
+                    , Data.Csv.Parser.Megaparsec.Internals
+  if flag(dev)
+    ghc-options:      -Wall -Werror
+  else
+    ghc-options:      -O2 -Wall
+  if flag(dev) && impl(ghc >= 8.0)
+    ghc-options:      -Wcompat
+                      -Wincomplete-record-updates
+                      -Wincomplete-uni-patterns
+                      -Wnoncanonical-monad-instances
+                      -Wnoncanonical-monadfail-instances
+  default-language:   Haskell2010
+
+test-suite tests
+  main-is:            Spec.hs
+  hs-source-dirs:     tests
+  type:               exitcode-stdio-1.0
+  build-depends:      base               >= 4.8  && < 5.0
+                    , bytestring         >= 0.9  && < 0.12
+                    , cassava            >= 0.4.2 && < 0.6
+                    , cassava-megaparsec
+                    , hspec              >= 2.0  && < 3.0
+                    , hspec-megaparsec   >= 2.0  && < 3.0
+                    , vector             >= 0.11 && < 0.14
+  if flag(dev)
+    ghc-options:      -Wall -Werror
+  else
+    ghc-options:      -O2 -Wall
+  default-language:   Haskell2010
diff --git a/ghc-cassava-megaparsec.changes b/ghc-cassava-megaparsec.changes
index 4a4aec2..e8599c4 100644
--- a/ghc-cassava-megaparsec.changes
+++ b/ghc-cassava-megaparsec.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Dec 27 19:24:30 UTC 2022 - Peter Simons <psimons@suse.com>
+
+- Update cassava-megaparsec to version 2.0.4 revision 1.
+  Upstream has revised the Cabal build instructions on Hackage.
+
 -------------------------------------------------------------------
 Mon Nov  1 08:26:35 UTC 2021 - psimons@suse.com
 
diff --git a/ghc-cassava-megaparsec.spec b/ghc-cassava-megaparsec.spec
index 022721d..45a6778 100644
--- a/ghc-cassava-megaparsec.spec
+++ b/ghc-cassava-megaparsec.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package ghc-cassava-megaparsec
 #
-# Copyright (c) 2021 SUSE LLC
+# Copyright (c) 2022 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -25,6 +25,7 @@ Summary:        Megaparsec parser of CSV files that plays nicely with Cassava
 License:        MIT
 URL:            https://hackage.haskell.org/package/%{pkg_name}
 Source0:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/%{pkg_name}-%{version}.tar.gz
+Source1:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/revision/1.cabal#/%{pkg_name}.cabal
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-bytestring-devel
 BuildRequires:  ghc-cassava-devel
@@ -54,6 +55,7 @@ files.
 
 %prep
 %autosetup -n %{pkg_name}-%{version}
+cp -p %{SOURCE1} %{pkg_name}.cabal
 
 %build
 %ghc_lib_build