diff --git a/brick.cabal b/brick.cabal
index 1f80bbe..50bf630 100644
--- a/brick.cabal
+++ b/brick.cabal
@@ -13,7 +13,7 @@ cabal-version:       >=1.10
 
 library
   default-language:    Haskell2010
-  ghc-options:         -Wall -fno-warn-unused-do-bind
+  ghc-options:         -Wall -fno-warn-unused-do-bind -O3
   hs-source-dirs:      src
   exposed-modules:
     Brick.Border
@@ -37,7 +37,7 @@ library
 
 executable brick
   hs-source-dirs:      programs
-  ghc-options:         -threaded -Wall -fno-warn-unused-do-bind
+  ghc-options:         -threaded -Wall -fno-warn-unused-do-bind -O3
   default-language:    Haskell2010
   main-is:             Main.hs
   build-depends:       base,