diff --git a/base64.cabal b/base64.cabal
index 5e509fa..a4b6ca5 100644
--- a/base64.cabal
+++ b/base64.cabal
@@ -1,7 +1,7 @@
 cabal-version:   2.0
 name:            base64
 version:         0.4.2.4
-x-revision: 3
+x-revision: 4
 synopsis:        A modern RFC 4648-compliant Base64 library
 description:
   RFC 4648-compliant Base64 with an eye towards performance and modernity (additional support for RFC 7049 standards)
@@ -52,10 +52,10 @@ library
     Data.ByteString.Base64.Internal.W64.Loop
 
   build-depends:
-      base           >=4.14     && <4.19
-    , bytestring     >=0.10     && <0.12
-    , deepseq        >=1.4.3.0  && <1.5
-    , text           >=1.2 && <1.3 || >=2.0 && <2.1
+      base           >=4.14     && <4.20
+    , bytestring     >=0.10     && <0.13
+    , deepseq        >=1.4.3.0  && <1.6
+    , text           >=1.2 && <1.3 || >=2.0 && <2.2
     , text-short     ^>=0.1
 
   hs-source-dirs:   src
@@ -69,7 +69,7 @@ test-suite tasty
   other-modules:    Internal
   main-is:          Main.hs
   build-depends:
-      base               >=4.14 && <4.19
+      base               >=4.14 && <4.20
     , base64
     , base64-bytestring
     , bytestring
@@ -89,7 +89,7 @@ benchmark bench
   hs-source-dirs:   benchmarks
   main-is:          Base64Bench.hs
   build-depends:
-      base               >=4.14 && <4.19
+      base               >=4.14 && <4.20
     , base64
     , base64-bytestring
     , bytestring
diff --git a/ghc-base64.changes b/ghc-base64.changes
index 01d5c48..90fd8e7 100644
--- a/ghc-base64.changes
+++ b/ghc-base64.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Nov  5 02:39:42 UTC 2023 - Peter Simons <psimons@suse.com>
+
+- Update base64 to version 0.4.2.4 revision 4.
+  Upstream has revised the Cabal build instructions on Hackage.
+
 -------------------------------------------------------------------
 Thu Mar 30 17:05:53 UTC 2023 - Peter Simons <psimons@suse.com>
 
diff --git a/ghc-base64.spec b/ghc-base64.spec
index e813176..2eaae2e 100644
--- a/ghc-base64.spec
+++ b/ghc-base64.spec
@@ -26,7 +26,7 @@ Summary:        A modern RFC 4648-compliant Base64 library
 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/3.cabal#/%{pkg_name}.cabal
+Source1:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/revision/4.cabal#/%{pkg_name}.cabal
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-base-devel
 BuildRequires:  ghc-base-prof