diff --git a/base64-bytestring-type.cabal b/base64-bytestring-type.cabal
index 45dfa6e..17350f4 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:         9
+x-revision:         10
 synopsis:           A newtype around ByteString, for base64 encoding
 description:
   A newtype around ByteString, for base64 encoding.
@@ -66,7 +66,7 @@ library
 
   -- other dependencies:
   build-depends:
-      aeson              >=1.2.3.0 && <1.6
+      aeson              >=1.2.3.0 && <1.6 || >=2.0 && <2.1
     , base-compat        >=0.9.3   && <0.13
     , base64-bytestring  >=1.0.0.1 && <1.3
     , hashable           >=1.2.6.1 && <1.4
diff --git a/ghc-base64-bytestring-type.changes b/ghc-base64-bytestring-type.changes
index 9b836f4..96847d5 100644
--- a/ghc-base64-bytestring-type.changes
+++ b/ghc-base64-bytestring-type.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Oct 10 14:50:59 UTC 2021 - psimons@suse.com
+
+- Update base64-bytestring-type to version 1.0.1 revision 10.
+  Upstream has revised the Cabal build instructions on Hackage.
+
 -------------------------------------------------------------------
 Thu Sep  2 08:32:23 UTC 2021 - psimons@suse.com
 
diff --git a/ghc-base64-bytestring-type.spec b/ghc-base64-bytestring-type.spec
index aea6665..7725947 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/9.cabal#/%{pkg_name}.cabal
+Source1:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/revision/10.cabal#/%{pkg_name}.cabal
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-QuickCheck-devel
 BuildRequires:  ghc-aeson-devel