diff --git a/CHANGES b/CHANGES
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+* 0.1.2.2: 21 Aug 2012
+
+  - bump upper bound on base to <4.7 and split to <0.3
+
 * 0.1.2.1: 11 May 2012
 
   - bump upper bound on containers to <0.6
diff --git a/ottparse-pretty.cabal b/ottparse-pretty.cabal
--- a/ottparse-pretty.cabal
+++ b/ottparse-pretty.cabal
@@ -1,5 +1,5 @@
 Name:                ottparse-pretty
-Version:             0.1.2.1
+Version:             0.1.2.2
 Synopsis:            Pretty-printer for Ott parse trees
 Description:         Ott (<http://www.cl.cam.ac.uk/~pes20/ott/>) is a tool for
 		     writing formal definitions of programming
@@ -31,8 +31,8 @@
 Executable ottparse-pretty
   hs-source-dirs:    src
   Main-is:           ottparse-pretty.hs
-  Build-depends:     base >= 4.0 && < 4.6,
-                     split >= 0.1 && < 0.2,
+  Build-depends:     base >= 4.0 && < 4.7,
+                     split >= 0.1 && < 0.3,
                      parsec >= 3.0 && < 3.2,
                      containers >= 0.3 && < 0.6,
                      uniplate >= 1.6 && < 1.7