diff --git a/digest.cabal b/digest.cabal
--- a/digest.cabal
+++ b/digest.cabal
@@ -1,48 +1,44 @@
 name:            digest
-version:         0.0.1.3
+version:         0.0.1.4
 copyright:       (c) 2009 Eugene Kirpichov
 license:         BSD3
 license-file:    LICENSE
 author:          Eugene Kirpichov <ekirpichov@gmail.com>
 maintainer:      Eugene Kirpichov <ekirpichov@gmail.com>
 category:        Cryptography
-synopsis:        Various cryptographic hashes for bytestrings; CRC32 and Adler32 for now.
-description:     This package provides efficient cryptographic hash implementations for  
+synopsis:        Various hashes for bytestrings; CRC32 and Adler32 for now.
+description:     This package provides efficient hash implementations for  
                  strict and lazy bytestrings. For now, CRC32 and Adler32 are supported; 
                  they are implemented as FFI bindings to efficient code from zlib.
 stability:       provisional
 build-type:      Simple
 cabal-version:   >= 1.10
+tested-with:
+    GHC==8.10.7
+  , GHC==9.0.2
+  , GHC==9.2.5
+  , GHC==9.4.3
 
 extra-source-files:
   testing/trivial-reference.c
   testing/trivial.expected
   testing/trivial.hs
 
-flag bytestring-in-base
-  description: In the ghc-6.6 era the bytestring modules were
-               included in the base package.
-  default: False
-
 source-repository head
   type: git
-  location: git://github.com/jkff/digest
+  location: git://github.com/TeofilC/digest
 
 library
   exposed-modules: Data.Digest.CRC32,
                    Data.Digest.Adler32
   default-extensions: CPP, ForeignFunctionInterface
   default-language: Haskell2010
-  build-depends: base < 5
-  if flag(bytestring-in-base)
-    -- bytestring was in base-2.0 and 2.1.1
-    build-depends: base >= 2.0 && < 2.2
-    cpp-options: -DBYTESTRING_IN_BASE
-  else
-    build-depends: base < 2.0 || >= 2.2, bytestring >= 0.9
+  build-depends: 
+    base < 5
+    , bytestring >= 0.9 && < 0.12
   includes:        zlib.h
   ghc-options:     -Wall
   if !os(windows)
-    extra-libraries: z
+    pkgconfig-depends: zlib
   else
     build-depends: zlib