diff --git a/instant-generics.cabal b/instant-generics.cabal
--- a/instant-generics.cabal
+++ b/instant-generics.cabal
@@ -1,7 +1,7 @@
 category:               Generics
 copyright:              (c) 2011 Universiteit Utrecht
 name:                   instant-generics
-version:                0.3.1
+version:                0.3.2
 license:                BSD3
 license-file:           LICENSE
 author:                 José Pedro Magalhães
@@ -30,7 +30,7 @@
 library
   hs-source-dirs:         src
   build-depends:          base >= 3.0 && < 5, template-haskell >=2.4 && <2.6,
-                          containers, syb
+                          containers < 0.5, syb < 0.4
   exposed-modules:        Generics.Instant,
                           Generics.Instant.Base,
                           Generics.Instant.TH,