diff --git a/attoparsec.cabal b/attoparsec.cabal
index f99613c..c5013b1 100644
--- a/attoparsec.cabal
+++ b/attoparsec.cabal
@@ -1,6 +1,6 @@
 name:            attoparsec
 version:         0.13.2.2
-x-revision:      3
+x-revision: 4
 license:         BSD3
 license-file:    LICENSE
 category:        Text, Parsing
@@ -40,7 +40,7 @@ Flag developer
 
 library
   build-depends: array,
-                 base >= 4.2 && < 5,
+                 base >= 4.2 && < 4.13,
                  bytestring,
                  containers,
                  deepseq,
diff --git a/ghc-attoparsec.spec b/ghc-attoparsec.spec
index bdd2284..bf3b429 100644
--- a/ghc-attoparsec.spec
+++ b/ghc-attoparsec.spec
@@ -26,7 +26,7 @@ License:        BSD-3-Clause
 Group:          Development/Libraries/Haskell
 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