diff --git a/TV.cabal b/TV.cabal
--- a/TV.cabal
+++ b/TV.cabal
@@ -1,5 +1,5 @@
 Name:                TV
-Version:             0.4.2
+Version:             0.4.3
 Synopsis:	     Tangible Values -- composable interfaces
 Category:            Interfaces
 Description:
@@ -25,7 +25,7 @@
 License:             BSD3
 Stability:	     experimental
 Hs-Source-Dirs:      src
-Build-Depends:       base<5, DeepArrow>=0.3.1, TypeCompose >= 0.2
+Build-Depends:       base<5, DeepArrow>=0.3.1, TypeCompose >= 0.6.7
 tested-with:	     GHC==6.6
 build-type:	     Simple
 Exposed-Modules: