diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+- 0.1.3.1 (2016-02-10)
+    - Support GHC 8.0
 - 0.1.3.0 (2015-10-24)
     - Support `generics-sop-0.2`
 - 0.1.2.0 (2015-10-06)
diff --git a/binary-tagged.cabal b/binary-tagged.cabal
--- a/binary-tagged.cabal
+++ b/binary-tagged.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           binary-tagged
-version:        0.1.3.0
+version:        0.1.3.1
 synopsis:       Tagged binary serialisation.
 description:    Check <https://github.com/phadej/binary-tagged#readme README on Github>
 category:       Web
@@ -13,7 +13,7 @@
 maintainer:     Oleg Grenrus <oleg.grenrus@iki.fi>
 license:        BSD3
 license-file:   LICENSE
-tested-with:    GHC==7.8.4, GHC==7.10.2
+tested-with:    GHC==7.8.4, GHC==7.10.3, GHC==8.0.1
 build-type:     Simple
 cabal-version:  >= 1.10
 
@@ -30,19 +30,19 @@
       src
   ghc-options: -Wall
   build-depends:
-      base                     >=4.7  && <4.9
-    , generics-sop             >=0.1  && <0.3
-    , SHA                      >=1.6  && <1.7
+      base                     >=4.7  && <4.10
+    , aeson                    >=0.8  && <0.12
     , array                    >=0.5  && <0.6
-    , aeson                    >=0.8  && <0.11
-    , binary                   >=0.7  && <0.8
+    , binary                   >=0.7  && <0.9
     , bytestring               >=0.10 && <0.11
     , containers               >=0.5  && <0.6
+    , generics-sop             >=0.1  && <0.3
     , hashable                 >=1.2  && <1.3
     , scientific               >=0.3  && <0.4
+    , SHA                      >=1.6  && <1.7
     , tagged                   >=0.7  && <0.9
     , text                     >=1.2  && <1.3
-    , time                     >=1.4  && <1.6
+    , time                     >=1.4  && <1.7
     , unordered-containers     >=0.2  && <0.3
     , vector                   >=0.10 && <0.12
   exposed-modules:
@@ -56,19 +56,19 @@
       test
   ghc-options: -Wall
   build-depends:
-      base                     >=4.7  && <4.9
-    , generics-sop             >=0.1  && <0.3
-    , SHA                      >=1.6  && <1.7
+      base                     >=4.7  && <4.10
+    , aeson                    >=0.8  && <0.12
     , array                    >=0.5  && <0.6
-    , aeson                    >=0.8  && <0.11
-    , binary                   >=0.7  && <0.8
+    , binary                   >=0.7  && <0.9
     , bytestring               >=0.10 && <0.11
     , containers               >=0.5  && <0.6
+    , generics-sop             >=0.1  && <0.3
     , hashable                 >=1.2  && <1.3
     , scientific               >=0.3  && <0.4
+    , SHA                      >=1.6  && <1.7
     , tagged                   >=0.7  && <0.9
     , text                     >=1.2  && <1.3
-    , time                     >=1.4  && <1.6
+    , time                     >=1.4  && <1.7
     , unordered-containers     >=0.2  && <0.3
     , vector                   >=0.10 && <0.12
     , binary-tagged
@@ -90,19 +90,19 @@
       bench
   ghc-options: -Wall
   build-depends:
-      base                     >=4.7  && <4.9
-    , generics-sop             >=0.1  && <0.3
-    , SHA                      >=1.6  && <1.7
+      base                     >=4.7  && <4.10
+    , aeson                    >=0.8  && <0.12
     , array                    >=0.5  && <0.6
-    , aeson                    >=0.8  && <0.11
-    , binary                   >=0.7  && <0.8
+    , binary                   >=0.7  && <0.9
     , bytestring               >=0.10 && <0.11
     , containers               >=0.5  && <0.6
+    , generics-sop             >=0.1  && <0.3
     , hashable                 >=1.2  && <1.3
     , scientific               >=0.3  && <0.4
+    , SHA                      >=1.6  && <1.7
     , tagged                   >=0.7  && <0.9
     , text                     >=1.2  && <1.3
-    , time                     >=1.4  && <1.6
+    , time                     >=1.4  && <1.7
     , unordered-containers     >=0.2  && <0.3
     , vector                   >=0.10 && <0.12
     , binary-tagged
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
@@ -117,7 +117,6 @@
 
 -- Instances
 import           Data.Int
-import qualified Data.Aeson as Aeson
 import qualified Data.Array.IArray as Array
 import qualified Data.Array.Unboxed as Array
 import qualified Data.Fixed as Fixed
@@ -138,6 +137,9 @@
 import qualified Data.Vector.Unboxed as U
 import qualified Data.Version as Version
 
+#ifdef MIN_VERSION_aeson
+import qualified Data.Aeson as Aeson
+#endif
 
 -- | 'Binary' serialisable class, which tries to be less error-prone to data structure changes.
 --
@@ -368,8 +370,8 @@
 -- Instances
 
 instance HasStructuralInfo Bool where structuralInfo = ghcNominalType
-instance HasStructuralInfo Char where structuralInfo = ghcNominalType
-instance HasStructuralInfo Int where structuralInfo = ghcNominalType
+instance HasStructuralInfo Char where structuralInfo _ = NominalType "Char"
+instance HasStructuralInfo Int where structuralInfo _ = NominalType "Int"
 instance HasStructuralInfo Word where structuralInfo _ = NominalType "Word"
 instance HasStructuralInfo Integer where structuralInfo _ = NominalType "Integer"
 
@@ -608,8 +610,10 @@
 instance HasSemanticVersion Time.TimeOfDay
 instance HasSemanticVersion Time.LocalTime
 
+#ifdef MIN_VERSION_aeson
 -- Value
 
 -- TODO: derive sop
 instance HasStructuralInfo Aeson.Value where structuralInfo _ = NominalType "Aeson.Value"
 instance HasSemanticVersion Aeson.Value
+#endif