diff --git a/protocol-buffers.cabal b/protocol-buffers.cabal
--- a/protocol-buffers.cabal
+++ b/protocol-buffers.cabal
@@ -1,5 +1,5 @@
 name:           protocol-buffers
-version:        2.4.0
+version:        2.4.1
 cabal-version:  >= 1.6
 build-type:     Simple
 license:        BSD3
@@ -21,6 +21,7 @@
 Library
   -- Added -fspec-constr-count=10 to quiet ghc-7.0.2.
   ghc-options:  -Wall -O2 -fspec-constr-count=10 
+  -- ghc-prof-options: -auto-all -prof
   exposed-modules: Text.ProtocolBuffers
                    Text.ProtocolBuffers.Basic
                    Text.ProtocolBuffers.Extensions