diff --git a/genvalidity-hspec-cereal.cabal b/genvalidity-hspec-cereal.cabal
--- a/genvalidity-hspec-cereal.cabal
+++ b/genvalidity-hspec-cereal.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: fe525d8c2842f27b092375a2de7229f5d93be18ec53059d8934aafcce55aabcd
+-- hash: 454f078fe1303d975da5d8d37dbffbf97fb2f05be8cdd51157a763afe69211fe
 
 name:           genvalidity-hspec-cereal
-version:        0.2.0.2
+version:        0.2.0.3
 synopsis:       Standard spec's for cereal-related instances
 description:    Standard spec's for cereal-related Instances
 category:       Testing
@@ -25,6 +25,10 @@
   location: https://github.com/NorfairKing/validity
 
 library
+  exposed-modules:
+      Test.Validity.Cereal
+  other-modules:
+      Paths_genvalidity_hspec_cereal
   hs-source-dirs:
       src/
   ghc-options: -Wall
@@ -36,39 +40,40 @@
     , genvalidity >=0.5
     , genvalidity-hspec >=0.6
     , hspec
-  exposed-modules:
-      Test.Validity.Cereal
-  other-modules:
-      Paths_genvalidity_hspec_cereal
   default-language: Haskell2010
 
 test-suite genvalidity-hspec-cereal-doctests
   type: exitcode-stdio-1.0
   main-is: DocTest.hs
+  other-modules:
+      Paths_genvalidity_hspec_cereal
   hs-source-dirs:
       doctest
   ghc-options: -threaded
   build-depends:
       base
     , doctest
+    , genvalidity >=0.7
     , genvalidity-hspec-cereal
+    , genvalidity-property >=0.3
     , hspec
-  other-modules:
-      Paths_genvalidity_hspec_cereal
+    , validity >=0.9
   default-language: Haskell2010
 
 test-suite genvalidity-hspec-cereal-test
   type: exitcode-stdio-1.0
   main-is: Spec.hs
+  other-modules:
+      Test.Validity.CerealSpec
+      Paths_genvalidity_hspec_cereal
   hs-source-dirs:
       test/
   ghc-options: -threaded -rtsopts -with-rtsopts=-N -Wall
   build-depends:
       base
-    , genvalidity
+    , genvalidity >=0.7
     , genvalidity-hspec-cereal
+    , genvalidity-property >=0.3
     , hspec
-  other-modules:
-      Test.Validity.CerealSpec
-      Paths_genvalidity_hspec_cereal
+    , validity >=0.9
   default-language: Haskell2010
diff --git a/test/Test/Validity/CerealSpec.hs b/test/Test/Validity/CerealSpec.hs
--- a/test/Test/Validity/CerealSpec.hs
+++ b/test/Test/Validity/CerealSpec.hs
@@ -10,6 +10,7 @@
 spec :: Spec
 spec = do
     serializeSpecOnGen (genListOf $ pure 'a') "sequence of 'a's" (const [])
-    serializeSpecOnValid @Double
+    -- serializeSpec @Double DOES NOT HOLD
+    serializeSpecOnValid @Rational
     serializeSpec @Int
     serializeSpecOnArbitrary @Int