diff --git a/boring.cabal b/boring.cabal
new file mode 100644
index 0000000..ca4269d
--- /dev/null
+++ b/boring.cabal
@@ -0,0 +1,83 @@
+name:               boring
+version:            0.2
+x-revision:         1
+synopsis:           Boring and Absurd types
+description:
+  * @Boring@ types are isomorphic to @()@.
+  . 
+  * @Absurd@ types are isomorphic to @Void@.
+  .
+  See [What does () mean in Haskell -answer by Conor McBride](https://stackoverflow.com/questions/33112439/what-does-mean-in-haskell/33115522#33115522)
+
+homepage:           https://github.com/phadej/boring
+bug-reports:        https://github.com/phadej/boring/issues
+license:            BSD3
+license-file:       LICENSE
+author:             Oleg Grenrus <oleg.grenrus@iki.fi>
+maintainer:         Oleg.Grenrus <oleg.grenrus@iki.fi>
+copyright:          (c) 2017-2021 Oleg Grenrus
+category:           Data
+build-type:         Simple
+extra-source-files: ChangeLog.md
+cabal-version:      >=1.10
+tested-with:
+  GHC ==7.4.2
+   || ==7.6.3
+   || ==7.8.4
+   || ==7.10.3
+   || ==8.0.2
+   || ==8.2.2
+   || ==8.4.4
+   || ==8.6.5
+   || ==8.8.4
+   || ==8.10.7
+   || ==9.0.1
+   || ==9.2.1
+
+source-repository head
+  type:     git
+  location: https://github.com/phadej/boring.git
+  subdir:   boring
+
+flag tagged
+  description:
+    You can disable the use of the `tagged` package using `-f-tagged`.
+    .
+    Disabling this is an unsupported configuration, but it may be useful for accelerating builds in sandboxes for expert users.
+
+  default:     True
+  manual:      True
+
+library
+  exposed-modules:  Data.Boring
+  build-depends:
+      base          >=4.5 && <4.17
+    , transformers  >=0.3 && <0.7
+
+  if impl(ghc <7.6)
+    build-depends: ghc-prim
+  
+  if !impl(ghc >=7.8)
+    build-depends: type-equality >=1 && <1.1
+
+  if !impl(ghc >=7.10)
+    build-depends: void >=0.7.3 && <0.8
+
+  if !impl(ghc >=8.0)
+    build-depends:
+        semigroups           >=0.18.5 && <0.21
+      , transformers-compat  >=0.5    && <0.8
+
+  if flag(tagged) || !impl(ghc >=7.8)
+    build-depends: tagged >=0.8.6 && <0.9
+
+  other-extensions:
+    CPP
+    DefaultSignatures
+    FlexibleContexts
+    GADTs
+    Trustworthy
+    TypeOperators
+
+  hs-source-dirs:   src
+  default-language: Haskell2010
diff --git a/ghc-boring.changes b/ghc-boring.changes
index c400415..a50afcb 100644
--- a/ghc-boring.changes
+++ b/ghc-boring.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sat Dec 11 21:25:33 UTC 2021 - Peter Simons <psimons@suse.com>
+
+- Update boring to version 0.2 revision 1.
+  Upstream has revised the Cabal build instructions on Hackage.
+
 -------------------------------------------------------------------
 Mon Apr  5 14:46:15 UTC 2021 - psimons@suse.com
 
diff --git a/ghc-boring.spec b/ghc-boring.spec
index f89eae8..132247c 100644
--- a/ghc-boring.spec
+++ b/ghc-boring.spec
@@ -24,6 +24,7 @@ Summary:        Boring and Absurd types
 License:        BSD-3-Clause
 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-rpm-macros
 BuildRequires:  ghc-tagged-devel
@@ -50,6 +51,7 @@ This package provides the Haskell %{pkg_name} library development files.
 
 %prep
 %autosetup -n %{pkg_name}-%{version}
+cp -p %{SOURCE1} %{pkg_name}.cabal
 
 %build
 %ghc_lib_build