diff --git a/progression.cabal b/progression.cabal
--- a/progression.cabal
+++ b/progression.cabal
@@ -1,5 +1,5 @@
 name:                progression
-version:             0.3
+version:             0.4
 synopsis:            Automates the recording and graphing of criterion benchmarks
 description:         Progression is a library that builds on the criterion
                      benchmarking library.  It stores the results of running
@@ -15,7 +15,7 @@
 author:              Neil Brown
 maintainer:          neil@twistedsquare.com
 build-depends:       base >= 3 && < 5,
-                     criterion >= 0.4 && < 0.5,
+                     criterion >= 0.4 && < 0.6,
                      directory,
                      txt-sushi >= 0.5 && < 0.6,
                      containers,