diff --git a/package.yaml b/package.yaml
index b237525..c72f879 100644
--- a/package.yaml
+++ b/package.yaml
@@ -26,9 +26,9 @@ dependencies:
 - yaml
 
 ghc-options:
-# - -O2
-# - -flate-specialise
-# - -fexpose-all-unfoldings
+- -O2
+- -flate-specialise
+- -fexpose-all-unfoldings
 - -fspecialize-aggressively
 - -Wall
 - -Wincomplete-record-updates