diff --git a/CLASE.cabal b/CLASE.cabal
--- a/CLASE.cabal
+++ b/CLASE.cabal
@@ -1,5 +1,5 @@
 Name:           CLASE
-Version:        2008.9.23
+Version:        2008.9.23.1
 Cabal-Version:  >= 1.2
 License:        BSD3
 Build-Type:     Simple
@@ -17,7 +17,7 @@
 Library
   Build-Depends:    base,
                     parsec >= 2.1.0.1,
-                    containers >= 0.1.0.2,
+                    containers >= 0.1.0.1,
                     template-haskell,
                     filepath >= 1.1.0.0,
                     mtl >= 1.1.0.1