diff --git a/ed25519.cabal b/ed25519.cabal
index 2a43a89..d872986 100644
--- a/ed25519.cabal
+++ b/ed25519.cabal
@@ -1,6 +1,6 @@
 name:                ed25519
 version:             0.0.5.0
-x-revision: 3
+x-revision: 4
 category:            Cryptography
 license:             MIT
 synopsis:            Ed25519 cryptographic signatures
@@ -61,7 +61,7 @@ flag no-donna
 
 library
   build-depends:
-    ghc-prim    >= 0.1 && < 0.7,
+    ghc-prim    >= 0.1 && < 0.8,
     base        >= 4   && < 5,
     bytestring  >= 0.9 && < 0.11
 
diff --git a/ghc-ed25519.changes b/ghc-ed25519.changes
index af996cd..bc26ff1 100644
--- a/ghc-ed25519.changes
+++ b/ghc-ed25519.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Feb  4 12:15:35 UTC 2022 - psimons@suse.com
+
+- Update ed25519 to version 0.0.5.0 revision 4.
+  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-ed25519.spec b/ghc-ed25519.spec
index de64c8c..8812443 100644
--- a/ghc-ed25519.spec
+++ b/ghc-ed25519.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package ghc-ed25519
 #
-# 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
@@ -25,7 +25,7 @@ Summary:        Ed25519 cryptographic signatures
 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/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-bytestring-devel
 BuildRequires:  ghc-rpm-macros