diff --git a/changelog.md b/changelog.md
index 037be1e..07bf09c 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,6 @@
+__v0.0.12__
+update to ghc9
+
 __v0.0.11__
 add api key auth. 
 add CreateApiKey/DeleteApiKey commands to executable 'migration' 
diff --git a/espial.cabal b/espial.cabal
index b0b0d20..5e0e23e 100644
--- a/espial.cabal
+++ b/espial.cabal
@@ -1,11 +1,11 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.34.7.
+-- This file has been generated from package.yaml by hpack version 0.34.4.
 --
 -- see: https://github.com/sol/hpack
 
 name:           espial
-version:        0.0.11
+version:        0.0.12
 synopsis:       Espial is an open-source, web-based bookmarking server.
 description:    .
                 Espial is an open-source, web-based bookmarking server.
diff --git a/package.yaml b/package.yaml
index 47d2f84..6c2b7a0 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,6 +1,6 @@
 name:    espial
 synopsis: Espial is an open-source, web-based bookmarking server.
-version: "0.0.11"
+version: "0.0.12"
 description: ! '
 
   Espial is an open-source, web-based bookmarking server.
diff --git a/src/Generic.hs b/src/Generic.hs
index 6e35a45..b969835 100644
--- a/src/Generic.hs
+++ b/src/Generic.hs
@@ -2,11 +2,12 @@ module Generic where
 
 import GHC.Generics
 import ClassyPrelude.Yesod
+import Data.Kind (Type)
 
 constrName :: (HasConstructor (Rep a), Generic a)=> a -> String
 constrName = genericConstrName . from 
 
-class HasConstructor (f :: * -> *) where
+class HasConstructor (f :: Type -> Type) where
   genericConstrName :: f x -> String
 
 instance HasConstructor f => HasConstructor (D1 c f) where