diff --git a/sifflet.cabal b/sifflet.cabal
--- a/sifflet.cabal
+++ b/sifflet.cabal
@@ -1,10 +1,10 @@
 name: sifflet
-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"
@@ -17,6 +17,7 @@
   Sifflet show the intermediate steps of the computation
   on the diagram, and can expand function calls to show further details.
   It is intended as an aid for learning about recursion.
+  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: 
@@ -46,7 +47,7 @@
     containers >= 0.2 && < 0.5,
     fgl >= 5.4 && < 5.5,
     haskell98 >= 1.0.1 && < 1.2,
-    hxt >= 9 && < 9.1,
+    hxt >= 9 && < 10.0,
     mtl >= 1.1 && < 2.1,
     process >= 1.0 && < 1.1,
     sifflet-lib >= 1.2.3