diff --git a/HsYAML.cabal b/HsYAML.cabal
index 3497c5e..07ebb13 100644
--- a/HsYAML.cabal
+++ b/HsYAML.cabal
@@ -1,7 +1,7 @@
 cabal-version:       1.14
 name:                HsYAML
 version:             0.2.1.1
-x-revision:          5
+x-revision:          6
 
 synopsis:            Pure Haskell YAML 1.2 processor
 homepage:            https://github.com/haskell-hvr/HsYAML
@@ -155,6 +155,6 @@ test-suite tests
                  , containers
                  , mtl
                    -- non-inherited
-                 , QuickCheck == 2.14.*
-                 , tasty == 1.4.*
+                 , QuickCheck       == 2.14.*
+                 , tasty            >= 1.4    && < 1.6
                  , tasty-quickcheck == 0.10.*
diff --git a/ghc-HsYAML.changes b/ghc-HsYAML.changes
index 344b8e7..2f740ea 100644
--- a/ghc-HsYAML.changes
+++ b/ghc-HsYAML.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Sep 14 07:42:47 UTC 2023 - Peter Simons <psimons@suse.com>
+
+- Update HsYAML to version 0.2.1.1 revision 6.
+  Upstream has revised the Cabal build instructions on Hackage.
+
 -------------------------------------------------------------------
 Mon Aug 28 12:13:14 UTC 2023 - Peter Simons <psimons@suse.com>
 
diff --git a/ghc-HsYAML.spec b/ghc-HsYAML.spec
index 481c1ca..bd53997 100644
--- a/ghc-HsYAML.spec
+++ b/ghc-HsYAML.spec
@@ -26,7 +26,7 @@ Summary:        Pure Haskell YAML 1.2 processor
 License:        GPL-2.0-or-later
 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/5.cabal#/%{pkg_name}.cabal
+Source1:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/revision/6.cabal#/%{pkg_name}.cabal
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-base-devel
 BuildRequires:  ghc-base-prof