diff --git a/binary-tagged.cabal b/binary-tagged.cabal
--- a/binary-tagged.cabal
+++ b/binary-tagged.cabal
@@ -3,9 +3,9 @@
 -- see: https://github.com/sol/hpack
 
 name:           binary-tagged
-version:        0.1.0.0
+version:        0.1.1.0
 synopsis:       Tagged binary serialisation.
-description:    Write me.
+description:    Check <https://github.com/phadej/binary-tagged#readme README on Github>
 category:       Web
 homepage:       https://github.com/phadej/binary-tagged#readme
 bug-reports:    https://github.com/phadej/binary-tagged/issues
diff --git a/src/Data/Binary/Tagged.hs b/src/Data/Binary/Tagged.hs
--- a/src/Data/Binary/Tagged.hs
+++ b/src/Data/Binary/Tagged.hs
@@ -122,6 +122,7 @@
 import qualified Data.IntMap as IntMap
 import qualified Data.IntSet as IntSet
 import qualified Data.Map as Map
+import qualified Data.Ratio as Ratio
 import qualified Data.Sequence as Seq
 import qualified Data.Set as Set
 import qualified Data.HashSet as HS
@@ -337,6 +338,7 @@
 instance HasStructuralInfo Bool where structuralInfo = ghcNominalType
 instance HasStructuralInfo Char where structuralInfo = ghcNominalType
 instance HasStructuralInfo Int where structuralInfo = ghcNominalType
+instance HasStructuralInfo Word where structuralInfo _ = NominalType "Word"
 instance HasStructuralInfo Integer where structuralInfo _ = NominalType "Integer"
 
 instance HasStructuralInfo Int8 where structuralInfo _ = NominalType "Int8"
@@ -349,6 +351,22 @@
 instance HasStructuralInfo Word32 where structuralInfo _ = NominalType "Word32"
 instance HasStructuralInfo Word64 where structuralInfo _ = NominalType "Word64"
 
+instance HasSemanticVersion Bool
+instance HasSemanticVersion Char
+instance HasSemanticVersion Int
+instance HasSemanticVersion Word
+instance HasSemanticVersion Integer
+
+instance HasSemanticVersion Int8
+instance HasSemanticVersion Int16
+instance HasSemanticVersion Int32
+instance HasSemanticVersion Int64
+
+instance HasSemanticVersion Word8
+instance HasSemanticVersion Word16
+instance HasSemanticVersion Word32
+instance HasSemanticVersion Word64
+
 -- Recursive types
 instance HasStructuralInfo a => HasStructuralInfo [a] where structuralInfo = ghcStructuralInfo1
 instance HasSemanticVersion a => HasSemanticVersion [a] where
@@ -358,6 +376,11 @@
 instance HasStructuralInfo a => HasStructuralInfo (Maybe a)
 instance HasSemanticVersion a => HasSemanticVersion (Maybe a) where
   type SemanticVersion (Maybe a) = SemanticVersion a
+
+instance HasStructuralInfo a => HasStructuralInfo (Ratio.Ratio a) where
+  structuralInfo _ = NominalNewtype "Ratio" $ structuralInfo (Proxy :: Proxy a)
+instance HasSemanticVersion a => HasSemanticVersion (Ratio.Ratio a) where
+  type SemanticVersion (Ratio.Ratio a) = SemanticVersion a
 
 instance (HasStructuralInfo a, HasStructuralInfo b) => HasStructuralInfo (Either a b)
 instance (HasSemanticVersion a, HasSemanticVersion b, KnownNat (SemanticVersion (Either a b))) => HasSemanticVersion (Either a b) where