diff --git a/sifflet-lib.cabal b/sifflet-lib.cabal
--- a/sifflet-lib.cabal
+++ b/sifflet-lib.cabal
@@ -1,10 +1,10 @@
 name: sifflet-lib
-version: 1.2.3
+version: 1.2.4
 cabal-version: >= 1.8
 build-type: Simple
 license: BSD3
 license-file: LICENSE
-copyright: (C) 2009-2010 Gregory D. Weber
+copyright: (C) 2009-2011 Gregory D. Weber
 author: Gregory D. Weber
 maintainer: "gdweber" ++ drop 3 "abc@" ++ "iue.edu"
 bug-reports: mailto:"gdweber" ++ drop 3 "abc@" ++ "iue.edu"
@@ -16,6 +16,7 @@
   tests and its exporters.
 description: Supporting modules for the Sifflet visual, 
   functional programming language (Hackage 'sifflet' package).
+  Version 1.2.4: Dependencies revised for compatibility with HXT 9.1.
   Version 1.2.3: Dependencies revised for compatibility with GHC 7.0
   and Haskell Platform 2011.2.
 category: 
@@ -44,7 +45,7 @@
     filepath >= 1.1 && < 1.3,
     fgl >= 5.4 && < 5.5,
     haskell98 >= 1.0.1 && < 1.2,
-    hxt >= 9.0 && < 9.1,
+    hxt >= 9.0 && < 10.0,
     mtl >= 1.1 && < 2.1,
     parsec >= 2.1.0.1 && < 3.2, 
     process >= 1.0 && < 1.1