diff --git a/Gifcurry.cabal b/Gifcurry.cabal
--- a/Gifcurry.cabal
+++ b/Gifcurry.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                Gifcurry
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Create animated GIFs, overlaid with optional text, from movies.
 description:         GIF creation utility.
 homepage:            https://github.com/lettier/gifcurry
@@ -26,6 +26,7 @@
   main-is:             Main.hs
   build-depends:       base >=4.7 && <4.9, gtk3 >=0.14 && <0.15, process >=1.2 && <1.3, temporary >=1.2 && <1.3
   other-modules:       Paths_Gifcurry, Gifcurry
+  ghc-options:         -O3 -threaded -with-rtsopts=-N
   hs-source-dirs:      gui_src, ./
   default-language:    Haskell2010