diff --git a/scc.cabal b/scc.cabal
--- a/scc.cabal
+++ b/scc.cabal
@@ -1,5 +1,5 @@
 Name:                scc
-Version:             0.8.1
+Version:             0.8.2
 Cabal-Version:       >= 1.10
 Build-Type:          Simple
 Synopsis:            Streaming component combinators
@@ -35,7 +35,7 @@
                      Control.Concurrent.SCC.Combinators, Control.Concurrent.SCC.Primitives, Control.Concurrent.SCC.XML,
                      Control.Concurrent.Configuration, Control.Concurrent.SCC.Configurable
   Build-Depends:     base < 5, containers, transformers >= 0.2 && < 0.4, bytestring < 1.0, text < 1.0,
-                     monoid-subclasses < 0.3, incremental-parser >= 0.2.2 && < 0.3,
+                     monoid-subclasses >= 0.2 && < 0.4, incremental-parser >= 0.2.2 && < 0.3,
                      monad-parallel, monad-coroutine == 0.8.*,
                      process, haskeline, parsec == 3.*
   GHC-options:       -threaded
@@ -51,7 +51,7 @@
                      Control.Concurrent.SCC.XML,
                      Control.Concurrent.Configuration, Control.Concurrent.SCC.Configurable
   Build-Depends:     base < 5, containers, transformers >= 0.2 && < 0.4, bytestring < 1.0, text < 1.0,
-                     monoid-subclasses < 0.3, incremental-parser >= 0.2.2 && < 0.3,
+                     monoid-subclasses >= 0.2 && < 0.4, incremental-parser >= 0.2.2 && < 0.3,
                      monad-parallel, monad-coroutine == 0.8.*,
                      QuickCheck >= 2 && < 3, test-framework >= 0.4.1, test-framework-quickcheck2
   GHC-options:       -threaded -fcontext-stack=30
@@ -68,7 +68,7 @@
                      Control.Concurrent.SCC.Combinators.Parallel, Control.Concurrent.SCC.Combinators.Sequential,
                      Control.Concurrent.SCC.Combinators, Control.Concurrent.SCC.Primitives, Control.Concurrent.SCC.XML
   Build-Depends:     base < 5, containers, transformers >= 0.2 && < 0.4, bytestring < 1.0, text < 1.0,
-                     monoid-subclasses < 0.3, incremental-parser >= 0.2.2 && < 0.3,
+                     monoid-subclasses >= 0.2 && < 0.4, incremental-parser >= 0.2.2 && < 0.3,
                      monad-parallel, monad-coroutine == 0.8.*
   GHC-prof-options:  -auto-all
   if impl(ghc >= 7.0.0)