diff --git a/.gitignore b/.gitignore
index b69e924..4595da2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /attoparsec-iso8601-1.0.0.0.tar.gz
 /attoparsec-iso8601-1.0.1.0.tar.gz
 /attoparsec-iso8601-1.0.2.0.tar.gz
+/attoparsec-iso8601-1.0.2.1.tar.gz
diff --git a/attoparsec-iso8601-1.0.2.0.cabal b/attoparsec-iso8601-1.0.2.0.cabal
deleted file mode 100644
index 26b85a5..0000000
--- a/attoparsec-iso8601-1.0.2.0.cabal
+++ /dev/null
@@ -1,59 +0,0 @@
-name:            attoparsec-iso8601
-version:         1.0.2.0
-x-revision: 3
-synopsis:        Parsing of ISO 8601 dates, originally from aeson.
-description:     Parsing of ISO 8601 dates, originally from aeson.
-license:         BSD3
-license-file:    LICENSE
-category:        Parsing
-copyright:       (c) 2011-2016 Bryan O'Sullivan
-                 (c) 2011 MailRank, Inc.
-author:          Bryan O'Sullivan <bos@serpentine.com>
-maintainer:      Adam Bergmark <adam@bergmark.nl>
-stability:       experimental
-cabal-version:   >=1.10
-homepage:        https://github.com/haskell/aeson
-bug-reports:     https://github.com/haskell/aeson/issues
-build-type:      Simple
-tested-with:     GHC == 7.8.4, GHC == 7.10.3, GHC == 8.0.2, GHC == 8.2.2, GHC == 8.4.4, GHC == 8.6.5, GHC == 8.8.3, GHC == 8.10.1
-extra-source-files:
-  README.md
-
-flag developer
-  description: operate in developer mode
-  default: False
-  manual: True
-
-flag fast
-  description: compile without optimizations
-  default: False
-  manual: True
-
-library
-  hs-source-dirs:      .
-  default-language:    Haskell2010
-  ghc-options:         -Wall
-  exposed-modules:
-    Data.Attoparsec.Time.Internal
-    Data.Attoparsec.Time
-  build-depends:
-    attoparsec >= 0.13.1.0 && < 0.15,
-    base >= 4.7 && < 5,
-    base-compat-batteries >= 0.10.0 && < 0.13,
-    time-compat >= 1.9.4 && < 1.10,
-    text >= 1.1.1.0 && < 1.3.0.0,
-    time >= 1.1.1.4 && < 1.13
-
-  if flag(fast)
-    ghc-options: -O0
-  else
-    ghc-options: -O2
-
-  if flag(developer)
-    ghc-options: -Werror
-    ghc-prof-options: -auto-all
-
-source-repository head
-  type:     git
-  location: git://github.com/haskell/aeson.git
-  subdir:   attoparsec-iso8601
diff --git a/ghc-attoparsec-iso8601.spec b/ghc-attoparsec-iso8601.spec
index dcccdea..7fdf51d 100644
--- a/ghc-attoparsec-iso8601.spec
+++ b/ghc-attoparsec-iso8601.spec
@@ -1,30 +1,37 @@
-# generated by cabal-rpm-2.0.9
+# generated by cabal-rpm-2.1.0
 # https://docs.fedoraproject.org/en-US/packaging-guidelines/Haskell/
 
 %global pkg_name attoparsec-iso8601
 %global pkgver %{pkg_name}-%{version}
 
 Name:           ghc-%{pkg_name}
-Version:        1.0.2.0
-Release:        4%{?dist}
+Version:        1.0.2.1
+Release:        1%{?dist}
 Summary:        Parsing of ISO 8601 dates, originally from aeson
 
-License:        BSD
+License:        BSD-3-Clause
 Url:            https://hackage.haskell.org/package/%{pkg_name}
 # Begin cabal-rpm sources:
 Source0:        https://hackage.haskell.org/package/%{pkgver}/%{pkgver}.tar.gz
-Source1:        https://hackage.haskell.org/package/%{pkgver}/%{pkg_name}.cabal#/%{pkgver}.cabal
 # End cabal-rpm sources
 
 # Begin cabal-rpm deps:
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
+BuildRequires:  ghc-attoparsec-devel
+BuildRequires:  ghc-base-devel
+BuildRequires:  ghc-base-compat-batteries-devel
+BuildRequires:  ghc-text-devel
+BuildRequires:  ghc-time-devel
+BuildRequires:  ghc-time-compat-devel
+%if %{with ghc_prof}
 BuildRequires:  ghc-attoparsec-prof
 BuildRequires:  ghc-base-prof
 BuildRequires:  ghc-base-compat-batteries-prof
 BuildRequires:  ghc-text-prof
 BuildRequires:  ghc-time-prof
 BuildRequires:  ghc-time-compat-prof
+%endif
 # End cabal-rpm deps
 
 %description
@@ -70,7 +77,6 @@ This package provides the Haskell %{pkg_name} profiling library.
 %prep
 # Begin cabal-rpm setup:
 %setup -q -n %{pkgver}
-cp -bp %{SOURCE1} %{pkg_name}.cabal
 # End cabal-rpm setup
 
 
@@ -108,6 +114,10 @@ cp -bp %{SOURCE1} %{pkg_name}.cabal
 
 
 %changelog
+* Sun Jan 22 2023 Jens Petersen <petersen@redhat.com> - 1.0.2.1-1
+- https://hackage.haskell.org/package/attoparsec-iso8601-1.0.2.1/changelog
+- refresh to cabal-rpm-2.1.0 with SPDX migration
+
 * Thu Jul 21 2022 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.2.0-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
 
diff --git a/sources b/sources
index 4bc11d0..c5c3244 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (attoparsec-iso8601-1.0.2.0.tar.gz) = ae9595bbcaccd681afb223455484d0ee60690d8a468291cbde5c9eab6298d46434c43589ad3b55e9509e934aa34c382a6546c41b8e27dbbf7002bde20d6ee2a7
+SHA512 (attoparsec-iso8601-1.0.2.1.tar.gz) = 7be279057d0338c5825f5a9d578df23364325e274334d0cca37a4cba6a3a626202994fa284f529b08c3e1067278f6a1fbabbcaf2769a845efdaa05605ed4a6e0