diff --git a/ghc-tagged.spec b/ghc-tagged.spec
index 61c322c..5e46879 100644
--- a/ghc-tagged.spec
+++ b/ghc-tagged.spec
@@ -25,6 +25,7 @@ License:        BSD-3-Clause
 Group:          Development/Libraries/Haskell
 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-deepseq-devel
 BuildRequires:  ghc-rpm-macros
@@ -47,6 +48,7 @@ This package provides the Haskell %{pkg_name} library development files.
 
 %prep
 %setup -q -n %{pkg_name}-%{version}
+cp -p %{SOURCE1} %{pkg_name}.cabal
 
 %build
 %ghc_lib_build
diff --git a/tagged.cabal b/tagged.cabal
new file mode 100644
index 0000000..aca44e6
--- /dev/null
+++ b/tagged.cabal
@@ -0,0 +1,83 @@
+name:           tagged
+version:        0.8.6
+x-revision: 1
+license:        BSD3
+license-file:   LICENSE
+author:         Edward A. Kmett
+maintainer:     Edward A. Kmett <ekmett@gmail.com>
+stability:      experimental
+category:       Data, Phantom Types
+synopsis:       Haskell 98 phantom types to avoid unsafely passing dummy arguments
+homepage:       http://github.com/ekmett/tagged
+bug-reports:    http://github.com/ekmett/tagged/issues
+copyright:      2009-2015 Edward A. Kmett
+description:    Haskell 98 phantom types to avoid unsafely passing dummy arguments.
+build-type:     Simple
+cabal-version:  >= 1.10
+extra-source-files: .travis.yml CHANGELOG.markdown README.markdown HLint.hs
+tested-with:   GHC == 7.0.4
+             , GHC == 7.2.2
+             , GHC == 7.4.2
+             , GHC == 7.6.3
+             , GHC == 7.8.4
+             , GHC == 7.10.3
+             , GHC == 8.0.2
+             , GHC == 8.2.2
+             , GHC == 8.4.3
+             , GHC == 8.6.1
+
+source-repository head
+  type: git
+  location: git://github.com/ekmett/tagged.git
+
+flag deepseq
+  description:
+    You can disable the use of the `deepseq` package using `-f-deepseq`.
+    .
+    Disabing this is an unsupported configuration, but it may be useful for accelerating builds in sandboxes for expert users.
+  default: True
+  manual: True
+
+flag transformers
+  description:
+    You can disable the use of the `transformers` and `transformers-compat` packages using `-f-transformers`.
+    .
+    Disable this is an unsupported configuration, but it may be useful for accelerating builds in sandboxes for expert users.
+  default: True
+  manual: True
+
+library
+  default-language: Haskell98
+  other-extensions: CPP
+  build-depends: base >= 2 && < 5
+  ghc-options: -Wall
+  hs-source-dirs: src
+  exposed-modules: Data.Tagged
+
+  if !impl(hugs)
+    cpp-options: -DLANGUAGE_DeriveDataTypeable
+    other-extensions: DeriveDataTypeable
+
+  if impl(ghc<7.7)
+    hs-source-dirs: old
+    exposed-modules: Data.Proxy
+    other-modules: Paths_tagged
+
+  if impl(ghc>=7.2 && <7.5)
+    build-depends: ghc-prim
+
+  if impl(ghc>=7.6)
+    exposed-modules: Data.Proxy.TH
+    build-depends: template-haskell >= 2.8 && < 2.16
+
+  if flag(deepseq)
+    build-depends: deepseq >= 1.1 && < 1.5
+
+  if flag(transformers)
+    build-depends: transformers        >= 0.2 && < 0.6
+
+    -- Ensure Data.Functor.Classes is always available
+    if impl(ghc >= 7.10) || impl(ghcjs)
+      build-depends: transformers >= 0.4.2.0
+    else
+      build-depends: transformers-compat >= 0.5 && < 1