diff --git a/settings.json b/backfill_settings.json
similarity index 100%
rename from settings.json
rename to backfill_settings.json
diff --git a/chan-delorean.cabal b/chan-delorean.cabal
index b956af6..da0d42e 100644
--- a/chan-delorean.cabal
+++ b/chan-delorean.cabal
@@ -55,7 +55,7 @@ extra-doc-files:    CHANGELOG.md
 -- extra-source-files:
 
 common warnings
-    ghc-options: -Wall -rtsopts
+    ghc-options: -Wall -rtsopts -threaded -dynamic -O2
 
 executable chan-delorean
     -- Import common warning flags.