diff --git a/chatter.cabal b/chatter.cabal
--- a/chatter.cabal
+++ b/chatter.cabal
@@ -1,5 +1,5 @@
 name:                chatter
-version:             0.1.0.4
+version:             0.1.0.5
 synopsis:            A library of simple NLP algorithms.
 description:         chatter is a collection of simple Natural Language
                      Processing algorithms.
@@ -112,7 +112,8 @@
 
    ghc-options:      -Wall -main-is Evaluate -rtsopts
 
-Executable bench
+benchmark bench
+   type:             exitcode-stdio-1.0
    default-language: Haskell2010
    Main-Is:          Bench.hs
    hs-source-dirs:   tests/src
@@ -121,7 +122,7 @@
                      Corpora
 
    Build-depends:    chatter,
-                     criterion,
+                     criterion >= 0.8.0.1,
                      filepath >= 1.3.0.1,
                      text >= 0.11.3.0,
                      base       >= 4 && <= 6,