diff --git a/ghc-tar.changes b/ghc-tar.changes
index b2c11eb..f734795 100644
--- a/ghc-tar.changes
+++ b/ghc-tar.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Sep  7 08:14:44 UTC 2021 - psimons@suse.com
+
+- Update tar to version 0.5.1.1 revision 4.
+  Upstream has revised the Cabal build instructions on Hackage.
+
 -------------------------------------------------------------------
 Sat Feb 20 00:16:11 UTC 2021 - psimons@suse.com
 
diff --git a/ghc-tar.spec b/ghc-tar.spec
index 53009f1..81d29a1 100644
--- a/ghc-tar.spec
+++ b/ghc-tar.spec
@@ -25,7 +25,7 @@ Summary:        Reading, writing and manipulating ".tar" archive files
 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-array-devel
 BuildRequires:  ghc-bytestring-devel
diff --git a/tar.cabal b/tar.cabal
index 063446d..d67ce1d 100644
--- a/tar.cabal
+++ b/tar.cabal
@@ -1,7 +1,7 @@
 cabal-version:   1.12
 name:            tar
 version:         0.5.1.1
-x-revision:      3
+x-revision: 4
 
 license:         BSD3
 license-file:    LICENSE
@@ -42,7 +42,7 @@ flag old-bytestring
 
 library
 
-  build-depends: base       >= 4 && < 4.16,
+  build-depends: base       >= 4 && < 4.17,
                  filepath             < 1.5,
                  array                < 0.6,
                  containers >= 0.2 && < 0.7,
@@ -51,7 +51,7 @@ library
   if flag(old-time)
     build-depends: directory < 1.2, old-time < 1.2
   else
-    build-depends: directory >= 1.2 && < 1.4, time < 1.12
+    build-depends: directory >= 1.2 && < 1.4, time < 1.13
 
   if flag(old-bytestring)
     build-depends: bytestring-builder >= 0.10.4.0.2 && < 0.11, bytestring == 0.9.*