diff --git a/Data/Pool.hs b/Data/Pool.hs
--- a/Data/Pool.hs
+++ b/Data/Pool.hs
@@ -23,8 +23,8 @@
 import Control.Monad
 
 data PoolData a = PoolData
-    { poolAvail :: [a]
-    , poolCreated :: Int
+    { poolAvail :: ![a]
+    , poolCreated :: !Int
     }
 
 data Pool a = Pool
diff --git a/pool.cabal b/pool.cabal
--- a/pool.cabal
+++ b/pool.cabal
@@ -1,5 +1,5 @@
 name:            pool
-version:         0.0.1
+version:         0.0.1.1
 license:         BSD3
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>