diff --git a/GLUtil.cabal b/GLUtil.cabal
--- a/GLUtil.cabal
+++ b/GLUtil.cabal
@@ -1,5 +1,5 @@
 Name:                GLUtil
-Version:             0.10.2
+Version:             0.10.3
 Synopsis:            Miscellaneous OpenGL utilities.
 License:             BSD3
 License-file:        LICENSE
@@ -61,6 +61,6 @@
     Build-tool-depends: cpphs:cpphs
     GHC-Options:        -pgmPcpphs -optP--cpp -optP--hashes
 
-  GHC-Options:         -Odph -Wall
+  GHC-Options:         -O2 -Wall
   HS-Source-Dirs:      src
   default-language:    Haskell2010