diff --git a/ghc-time-manager.changes b/ghc-time-manager.changes
index c571a37..df6ca6e 100644
--- a/ghc-time-manager.changes
+++ b/ghc-time-manager.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Nov  1 00:22:42 UTC 2022 - Peter Simons <psimons@suse.com>
+
+- Update time-manager to version 0.0.0 revision 1.
+  Upstream has revised the Cabal build instructions on Hackage.
+
 -------------------------------------------------------------------
 Thu Dec 17 12:20:00 UTC 2020 - Ondřej Súkup <mimi.vx@gmail.com>
  
diff --git a/ghc-time-manager.spec b/ghc-time-manager.spec
index 8548b8c..f88c882 100644
--- a/ghc-time-manager.spec
+++ b/ghc-time-manager.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package ghc-time-manager
 #
-# Copyright (c) 2020 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
@@ -24,6 +24,7 @@ Summary:        Scalable timer
 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-auto-update-devel
 BuildRequires:  ghc-rpm-macros
@@ -44,6 +45,7 @@ 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
diff --git a/time-manager.cabal b/time-manager.cabal
new file mode 100644
index 0000000..fb73539
--- /dev/null
+++ b/time-manager.cabal
@@ -0,0 +1,20 @@
+Name:                time-manager
+Version:             0.0.0
+x-revision: 1
+Synopsis:            Scalable timer
+License:             MIT
+License-file:        LICENSE
+Author:              Michael Snoyman and Kazu Yamamoto
+Maintainer:          kazu@iij.ad.jp
+Homepage:            http://github.com/yesodweb/wai
+Category:            System
+Build-Type:          Simple
+Cabal-Version:       >=1.8
+Stability:           Stable
+Description:         Scalable timer functions provided by a timer manager.
+
+Library
+  Build-Depends:     base                      >= 4.8        && < 5
+                   , auto-update               >= 0.1.3
+  Exposed-modules:   System.TimeManager
+  Ghc-Options:       -Wall