diff --git a/bytestring-class.cabal b/bytestring-class.cabal
--- a/bytestring-class.cabal
+++ b/bytestring-class.cabal
@@ -1,10 +1,10 @@
 name:            bytestring-class
-version:         0.0.0
+version:         0.0.0.1
 license:         BSD3
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
 maintainer:      Michael Snoyman <michael@snoyman.com>
-synopsis:        Classes for automatic conversion to and from strict and lazy bytestrings.
+synopsis:        Classes for automatic conversion to and from strict and lazy bytestrings. (deprecated)
 description:     In theory, this allows the design of more data-agnostic
                  APIs.
 category:        Data
@@ -13,6 +13,6 @@
 build-type:      Simple
 
 library
-    build-depends:   base, bytestring, utf8-string
+    build-depends:   base < 5, bytestring, utf8-string
     exposed-modules: Data.ByteString.Class
     ghc-options:     -Wall