diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,8 @@
+1.0
+
+- add MonadReader r (GenT m) instance
+- fixed MonadState (GenT m) instance via MonadTrans (i.e. as done in 'mtl')
+
 0.9 :
 
 - ensure it builds with ghc 8.6.5 (== stackage lts 14.27) as well
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright Author name here (c) 2021
+Copyright Marco Zocca (c) 2021
 
 All rights reserved.
 
@@ -13,7 +13,7 @@
       disclaimer in the documentation and/or other materials provided
       with the distribution.
 
-    * Neither the name of Author name here nor the names of other
+    * Neither the name of Marco Zocca nor the names of other
       contributors may be used to endorse or promote products derived
       from this software without specific prior written permission.
 
diff --git a/splitmix-distributions.cabal b/splitmix-distributions.cabal
--- a/splitmix-distributions.cabal
+++ b/splitmix-distributions.cabal
@@ -1,5 +1,5 @@
 name:           splitmix-distributions
-version:        0.9.0.0
+version:        1.0.0
 description:    Random samplers for some common distributions, as well as a convenient interface for composing them, based on splitmix. Please see the README on GitHub at <https://github.com/ocramz/splitmix-distributions#readme>
 homepage:       https://github.com/ocramz/splitmix-distributions#readme
 bug-reports:    https://github.com/ocramz/splitmix-distributions/issues
diff --git a/src/System/Random/SplitMix/Distributions.hs b/src/System/Random/SplitMix/Distributions.hs
--- a/src/System/Random/SplitMix/Distributions.hs
+++ b/src/System/Random/SplitMix/Distributions.hs
@@ -1,4 +1,7 @@
+{-# LANGUAGE FlexibleInstances #-}
 {-# language GeneralizedNewtypeDeriving #-}
+{-# language MultiParamTypeClasses #-}
+{-# language UndecidableInstances #-}
 {-# options_ghc -Wno-unused-imports #-}
 {-|
 Random samplers for few common distributions, with an interface similar to that of @mwc-probability@.
@@ -81,10 +84,12 @@
 import Control.Monad.Catch (MonadThrow(..))
 -- mtl
 import Control.Monad.Trans.Class (MonadTrans(..))
+import Control.Monad.Reader (MonadReader(..))
 import Control.Monad.State (MonadState(..), modify)
 -- splitmix
 import System.Random.SplitMix (SMGen, mkSMGen, initSMGen, unseedSMGen, splitSMGen, nextDouble)
 -- transformers
+import Control.Monad.Trans.Reader (ReaderT(..))
 import Control.Monad.Trans.State (StateT(..), runStateT, evalStateT, State, runState, evalState)
 
 -- | Random generator
@@ -92,7 +97,13 @@
 -- wraps 'splitmix' state-passing inside a 'StateT' monad
 --
 -- useful for embedding random generation inside a larger effect stack
-newtype GenT m a = GenT { unGen :: StateT SMGen m a } deriving (Functor, Applicative, Monad, MonadState SMGen, MonadTrans, MonadIO, MonadThrow)
+newtype GenT m a = GenT { unGen :: StateT SMGen m a } deriving (Functor, Applicative, Monad, MonadTrans, MonadIO, MonadThrow, MonadReader r)
+
+instance MonadState s m => MonadState s (GenT m) where
+  get = lift get
+  put = lift . put
+  state = lift . state
+
 
 -- | Pure random generation
 type Gen = GenT Identity