diff --git a/Progression/Main.hs b/Progression/Main.hs
--- a/Progression/Main.hs
+++ b/Progression/Main.hs
@@ -48,6 +48,7 @@
 
 allPrefixes :: Benchmark -> Set.Set String
 allPrefixes (Benchmark _label _bench) = Set.empty
+allPrefixes (BenchCompare     _bench) = Set.empty
 allPrefixes (BenchGroup prefix benches)
   = Set.mapMonotonic (prefix ++) $
       foldl Set.union (Set.singleton "") $
diff --git a/progression.cabal b/progression.cabal
--- a/progression.cabal
+++ b/progression.cabal
@@ -1,5 +1,5 @@
 name:                progression
-version:             0.5
+version:             0.5.0.1
 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
@@ -15,13 +15,13 @@
 author:              Neil Brown
 maintainer:          neil@twistedsquare.com
 build-depends:       base >= 3 && < 5,
-                     criterion >= 0.4 && < 0.6,
-                     directory >= 1.0 && < 1.2,
+                     criterion >= 0.4 && < 0.7,
+                     directory >= 1.0 && < 1.3,
                      txt-sushi >= 0.5 && < 0.6,
                      containers,
-                     process >= 1.0 && < 1.1,
-                     filepath >= 1.1 && < 1.3,
-                     haskeline >= 0.6 && < 0.7
+                     process >= 1.0 && < 1.2,
+                     filepath >= 1.1 && < 1.4,
+                     haskeline >= 0.6 && < 0.8
 
 build-type:          Simple