diff --git a/Acme/Year.hs b/Acme/Year.hs
--- a/Acme/Year.hs
+++ b/Acme/Year.hs
@@ -5,7 +5,7 @@
 import Data.Version
 import Paths_acme_year
 
--- | The current year (e.g. @2013@)
+-- | The current year (e.g. @2014@)
 currentYear :: Int
 currentYear =
     case versionBranch version of
diff --git a/acme-year.cabal b/acme-year.cabal
--- a/acme-year.cabal
+++ b/acme-year.cabal
@@ -1,5 +1,5 @@
 name:                acme-year
-version:             2013
+version:             2014
 synopsis:            Get the current year
 -- description:
 license:             PublicDomain
@@ -24,13 +24,25 @@
     ghc-options:        -Wall -fwarn-tabs
 
 test-suite test
-    type:           exitcode-stdio-1.0
+    type: exitcode-stdio-1.0
 
     hs-source-dirs: test
     main-is:        Main.hs
 
     ghc-options: -Wall -fwarn-tabs
 
-    build-depends: base < 6
+    build-depends: base
                  , acme-year
                  , time
+
+benchmark bench
+    type: exitcode-stdio-1.0
+
+    hs-source-dirs: bench
+    main-is:        Main.hs
+
+    ghc-options: -Wall -fwarn-tabs -O2
+
+    build-depends: base
+                 , acme-year
+                 , criterion
diff --git a/bench/Main.hs b/bench/Main.hs
new file mode 100644
--- /dev/null
+++ b/bench/Main.hs
@@ -0,0 +1,8 @@
+import Acme.Year
+import Criterion.Main
+
+main :: IO ()
+main = defaultMain
+         [ bench "control"     (return 1234        :: IO Int)
+         , bench "currentYear" (return currentYear :: IO Int)
+         ]