diff --git a/CHANGES.txt b/CHANGES.txt
new file mode 100644
--- /dev/null
+++ b/CHANGES.txt
@@ -0,0 +1,4 @@
+0.3.0.1
+  add CHANGES.txt to .cabal file
+0.3
+  add suport for Control.Monad.Except (thus the new dependency constraint 'mtl >= 2.2.1')
diff --git a/equivalence.cabal b/equivalence.cabal
--- a/equivalence.cabal
+++ b/equivalence.cabal
@@ -1,5 +1,5 @@
 Name:            equivalence
-Version:         0.3
+Version:         0.3.0.1
 License:         BSD3
 License-File:    LICENSE
 Author:          Patrick Bahr
@@ -19,6 +19,8 @@
 Stability:       provisional
 Build-Type:      Simple
 Cabal-Version:   >=1.9.2
+
+Extra-Source-Files: CHANGES.txt
 
 
 source-repository head