diff --git a/Example.lhs b/Example.lhs
--- a/Example.lhs
+++ b/Example.lhs
@@ -43,6 +43,7 @@
 >
 > import Control.Isomorphism.Partial
 > import Control.Isomorphism.Partial.TH
+> import Control.Isomorphism.Partial.Unsafe (Iso (Iso))
 > import Text.Syntax
 
 %endif
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c)2010, Tillmann Rendel
+Copyright (c)2010-11 University of Marburg
 
 All rights reserved.
 
@@ -13,7 +13,7 @@
       disclaimer in the documentation and/or other materials provided
       with the distribution.
 
-    * Neither the name of Tillmann Rendel nor the names of other
+    * Neither the name of the University of Marburg nor the names of other
       contributors may be used to endorse or promote products derived
       from this software without specific prior written permission.
 
diff --git a/invertible-syntax.cabal b/invertible-syntax.cabal
--- a/invertible-syntax.cabal
+++ b/invertible-syntax.cabal
@@ -1,5 +1,5 @@
 Name:                invertible-syntax
-Version:             0.1
+Version:             0.2
 Synopsis:            Invertible syntax descriptions for both parsing and pretty printing.
 Description:         Invertible syntax descriptions as a common 
                      interface for parser combinator and pretty 
@@ -36,7 +36,7 @@
                        Text.Syntax.Parser.Naive,
                        Text.Syntax.Printer.Naive
   Build-depends:       base >= 3 && < 5,
-                       partial-isomorphisms == 0.1
+                       partial-isomorphisms < 0.3
   -- Other-modules:       
   -- Build-tools: