diff --git a/graph-trace-dot.cabal b/graph-trace-dot.cabal
--- a/graph-trace-dot.cabal
+++ b/graph-trace-dot.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.4
 name:               graph-trace-dot
-version:            0.1.1.0
+version:            0.1.1.1
 
 -- A short (one-line) description of the package.
 synopsis:
@@ -39,7 +39,7 @@
                , cryptohash-sha256
                , base16-bytestring
   hs-source-dirs: src
-  ghc-options: -Wall -O2
+  ghc-options: -Wall
 
 
 executable graph-trace-dot
@@ -52,4 +52,4 @@
                , attoparsec
                , graph-trace-dot
   hs-source-dirs: app
-  ghc-options: -Wall -O2
+  ghc-options: -Wall