diff --git a/microlens-aeson.cabal b/microlens-aeson.cabal
--- a/microlens-aeson.cabal
+++ b/microlens-aeson.cabal
@@ -1,7 +1,7 @@
 cabal-version: 2.2
 
 name:         microlens-aeson
-version:      2.3.0.3
+version:      2.3.0.4
 synopsis:     Law-abiding lenses for Aeson, using microlens.
 description:  Law-abiding lenses for Aeson, using microlens.
 category:     Numeric
@@ -22,7 +22,7 @@
 
 common commons
   default-language: Haskell2010
-  ghc-options: -Wall -Wincomplete-record-updates
+  ghc-options: -Wall -fwarn-incomplete-record-updates
   build-depends: base >= 4.7 && < 5
                , aeson >= 0.7
                , bytestring