diff --git a/base64-bytestring-type.cabal b/base64-bytestring-type.cabal
index 923bcb9..45dfa6e 100644
--- a/base64-bytestring-type.cabal
+++ b/base64-bytestring-type.cabal
@@ -1,7 +1,7 @@
 cabal-version:      1.12
 name:               base64-bytestring-type
 version:            1.0.1
-x-revision:         8
+x-revision:         9
 synopsis:           A newtype around ByteString, for base64 encoding
 description:
   A newtype around ByteString, for base64 encoding.
@@ -67,7 +67,7 @@ library
   -- other dependencies:
   build-depends:
       aeson              >=1.2.3.0 && <1.6
-    , base-compat        >=0.9.3   && <0.12
+    , base-compat        >=0.9.3   && <0.13
     , base64-bytestring  >=1.0.0.1 && <1.3
     , hashable           >=1.2.6.1 && <1.4
     , QuickCheck         >=2.11.3  && <2.15
diff --git a/ghc-base64-bytestring-type.changes b/ghc-base64-bytestring-type.changes
index 46b8f41..9b836f4 100644
--- a/ghc-base64-bytestring-type.changes
+++ b/ghc-base64-bytestring-type.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Sep  2 08:32:23 UTC 2021 - psimons@suse.com
+
+- Update base64-bytestring-type to version 1.0.1 revision 9.
+  Upstream has revised the Cabal build instructions on Hackage.
+
 -------------------------------------------------------------------
 Sun Feb 21 12:48:07 UTC 2021 - psimons@suse.com
 
diff --git a/ghc-base64-bytestring-type.spec b/ghc-base64-bytestring-type.spec
index 15f6c15..aea6665 100644
--- a/ghc-base64-bytestring-type.spec
+++ b/ghc-base64-bytestring-type.spec
@@ -25,7 +25,7 @@ Summary:        A newtype around ByteString, for base64 encoding
 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/8.cabal#/%{pkg_name}.cabal
+Source1:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/revision/9.cabal#/%{pkg_name}.cabal
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-QuickCheck-devel
 BuildRequires:  ghc-aeson-devel