diff --git a/attoparsec-conduit.cabal b/attoparsec-conduit.cabal
--- a/attoparsec-conduit.cabal
+++ b/attoparsec-conduit.cabal
@@ -1,5 +1,5 @@
 Name:                attoparsec-conduit
-Version:             0.3.0
+Version:             0.4.0
 Synopsis:            Turn attoparsec parsers into sinks.
 Description:         Turn attoparsec parsers into sinks.
 License:             BSD3
@@ -15,11 +15,11 @@
 Library
   Exposed-modules:     Data.Conduit.Attoparsec
   Build-depends:       base                     >= 4            && < 5
-                     , transformers             >= 0.2.2        && < 0.3
+                     , transformers             >= 0.2.2        && < 0.4
                      , bytestring               >= 0.9
                      , attoparsec               >= 0.10
                      , text                     >= 0.11
-                     , conduit                  >= 0.3          && < 0.4
+                     , conduit                  >= 0.4          && < 0.5
   ghc-options:     -Wall
 
 test-suite test