diff --git a/damnpacket.cabal b/damnpacket.cabal
--- a/damnpacket.cabal
+++ b/damnpacket.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                damnpacket
-version:             0.1.0.3
+version:             0.1.1
 synopsis:            Parsing dAmn packets
 license:             MIT
 license-file:        LICENSE
@@ -19,7 +19,7 @@
                     Text.Damn.Packet.Parser
   build-depends:    base       >= 4.4  && < 4.8
                   , attoparsec >= 0.10
-                  , containers >= 0.5
+                  , containers >= 0.4
                   , deepseq    >= 1.3
                   , text       >= 0.11
   hs-source-dirs:   src
