diff --git a/lifted-async.cabal b/lifted-async.cabal
--- a/lifted-async.cabal
+++ b/lifted-async.cabal
@@ -1,5 +1,5 @@
 name:                lifted-async
-version:             0.1.0
+version:             0.1.0.1
 synopsis:            Run lifted IO operations asynchronously and wait for their results
 homepage:            https://github.com/maoe/lifted-async
 bug-reports:         https://github.com/maoe/lifted-async/issues
@@ -20,7 +20,7 @@
   exposed-modules:
     Control.Concurrent.Async.Lifted
   build-depends:
-      base >= 4.3 && < 4.7
+      base >= 4.3 && < 5
     , async >= 2.0.1
     , lifted-base >= 0.2
     , monad-control >= 0.3.1
@@ -51,6 +51,19 @@
   type: exitcode-stdio-1.0
   hs-source-dirs: benchmarks
   main-is: Benchmarks.hs
+  ghc-options: -O
+  build-depends:
+      base
+    , async
+    , criterion
+    , deepseq
+    , lifted-async
+
+benchmark benchmark-lifted-async-threaded
+  type: exitcode-stdio-1.0
+  hs-source-dirs: benchmarks
+  main-is: Benchmarks.hs
+  ghc-options: -O -threaded
   build-depends:
       base
     , async