diff --git a/mu-avro.cabal b/mu-avro.cabal
--- a/mu-avro.cabal
+++ b/mu-avro.cabal
@@ -1,5 +1,5 @@
 name:          mu-avro
-version:       0.4.0.3
+version:       0.4.0.4
 synopsis:      Avro serialization support for Mu microservices
 description:
   You can use @mu-avro@ to read AVRO Schema Declarations for mu-haskell
diff --git a/test/Avro.hs b/test/Avro.hs
--- a/test/Avro.hs
+++ b/test/Avro.hs
@@ -20,9 +20,9 @@
 
 examplePerson1, examplePerson2 :: Person
 examplePerson1
-  = Person "Haskellio" "Gomez" (Just 30) (Just Male) exampleAddress [1,2,3] M.empty
+  = Person "Haskellio" "Gomez" (Just 30) Male exampleAddress [1,2,3] M.empty
 examplePerson2
-  = Person "Cuarenta" "Siete" Nothing Nothing exampleAddress []
+  = Person "Cuarenta" "Siete" Nothing Unspecified exampleAddress []
            (M.fromList [("hola", 1), ("hello", 2)])
 
 deriving via (WithSchema ExampleSchema "person" Person) instance HasAvroSchema Person