diff --git a/bower.json b/bower.json
index 5fd0e6b..5d9a7c9 100644
--- a/bower.json
+++ b/bower.json
@@ -16,9 +16,8 @@
     "!src/**/*"
   ],
   "dependencies": {
-    "purescript-react": "^3.0.0",
-    "purescript-monoid": "^3.1.0",
-    "purescript-strings": "^3.3.1",
-    "purescript-nullable": "^3.0.0"
+    "purescript-react": "^6.0.0",
+    "purescript-strings": "^4.0.0",
+    "purescript-nullable": "^4.0.0"
   }
 }
diff --git a/src/React/Redux.purs b/src/React/Redux.purs
index d7efb1e..1443387 100644
--- a/src/React/Redux.purs
+++ b/src/React/Redux.purs
@@ -15,11 +15,13 @@ module React.Redux
 
 import Prelude
 
-import Control.Monad.Eff (Eff, kind Effect)
-import Control.Monad.Eff.Uncurried (EffFn3, runEffFn3)
+import Effect (Effect)
+import Effect.Uncurried (EffectFn3, runEffectFn3)
 
 import Data.Function.Uncurried (Fn2, Fn3, Fn4, mkFn2, mkFn3, runFn4)
 
+import Prim.Row (class Union)
+
 import Unsafe.Coerce (unsafeCoerce)
 
 import React as React
@@ -27,9 +29,7 @@ import React.Redux.Internal as Internal
 import React.Redux.Middleware (Middleware, MiddlewareAPI) as Redux
 import React.Redux.Reducer (reducerFlipped) as Redux
 import React.Redux.Types
-  ( REDUX
-  , ReduxEffect
-  , Reducer
+  ( Reducer
   , BaseDispatch
   , Dispatch
   , ReduxAction
@@ -66,12 +66,12 @@ type ConnectOptions state stateProps ownProps props options
 -- | Redux will invoke the mapping functions whenever the connected
 -- | class receives updated `ownProps`.
 connect
-  :: forall eff state action stateProps dispatchProps ownProps stateDispatchProps props options options' options''
+  :: forall state action stateProps dispatchProps ownProps stateDispatchProps props options options' options''
    . Union stateProps dispatchProps stateDispatchProps
   => Union stateDispatchProps ownProps props
   => Union options options'' (ConnectOptions state stateProps ownProps props options')
   => (Record state -> Record ownProps -> Record stateProps)
-  -> (Redux.BaseDispatch eff action -> Record ownProps -> Record dispatchProps)
+  -> (Redux.BaseDispatch action -> Record ownProps -> Record dispatchProps)
   -> Record options
   -> React.ReactClass (Record props)
   -> ConnectClass (Record state) (Record ownProps) (Record props) action
@@ -84,12 +84,12 @@ connect stateToProps dispatchToProps options =
 
 -- | Redux connect function that does not depend on `ownProps`.
 connect_
-  :: forall eff state action stateProps dispatchProps props options options' options''
+  :: forall state action stateProps dispatchProps props options options' options''
    . Union stateProps dispatchProps props
   => Union props () props
   => Union options options'' (ConnectOptions state stateProps () props options')
   => (Record state -> Record stateProps)
-  -> (Redux.BaseDispatch eff action -> Record dispatchProps)
+  -> (Redux.BaseDispatch action -> Record dispatchProps)
   -> Record options
   -> React.ReactClass (Record props)
   -> ConnectClass' (Record state) (Record props) action
@@ -117,9 +117,9 @@ createElement
   -> Array React.ReactElement
   -> React.ReactElement
 createElement reduxClass =
-  React.createElement reactClass
+  React.unsafeCreateElement reactClass
   where
-  reactClass :: React.ReactClass (Record ownProps)
+  reactClass :: React.ReactClass (Record (children :: React.Children | ownProps))
   reactClass = unsafeCoerce reduxClass
 
 createElement_
@@ -130,62 +130,62 @@ createElement_
 createElement_ reduxClass = createElement reduxClass { }
 
 createProviderElement
-  :: forall eff state action
-   . Redux.ReduxStore eff state action
+  :: forall state action
+   . Redux.ReduxStore state action
   -> Array React.ReactElement
   -> React.ReactElement
 createProviderElement store = React.createElement reduxProviderClass { store }
 
 applyMiddleware
-  :: forall eff state action result
-   . Array (Redux.Middleware eff state action action result)
-  -> Redux.ReduxStoreEnhancer eff state action
+  :: forall state action result
+   . Array (Redux.Middleware state action action result)
+  -> Redux.ReduxStoreEnhancer state action
 applyMiddleware = reduxApplyMiddleware <<< map Internal.middlewareToReduxMiddleware
 
 createStore
-  :: forall eff state action
+  :: forall state action
    . Redux.Reducer action state
   -> state
-  -> Redux.ReduxStoreEnhancer eff state action
-  -> Eff (Redux.ReduxEffect eff) (Redux.ReduxStore eff state action)
-createStore reducer = runEffFn3 reduxCreateStore (Internal.reducerToReduxReducer reducer)
+  -> Redux.ReduxStoreEnhancer state action
+  -> Effect (Redux.ReduxStore state action)
+createStore reducer = runEffectFn3 reduxCreateStore (Internal.reducerToReduxReducer reducer)
 
 createStore'
-  :: forall eff state action
+  :: forall state action
    . Redux.Reducer action state
   -> state
-  -> Eff (Redux.ReduxEffect eff) (Redux.ReduxStore eff state action)
-createStore' reducer state = createStore reducer state id
+  -> Effect (Redux.ReduxStore state action)
+createStore' reducer state = createStore reducer state identity
 
 foreign import reduxApplyMiddleware
-  :: forall eff state action a b
-   . Array (Redux.ReduxMiddleware eff state action a b)
-  -> Redux.ReduxStoreEnhancer eff state action
+  :: forall state action a b
+   . Array (Redux.ReduxMiddleware state action a b)
+  -> Redux.ReduxStoreEnhancer state action
 
 foreign import reduxCreateStore
-  :: forall eff state action
-   . EffFn3 (Redux.ReduxEffect eff)
-            (Redux.ReduxReducer state action)
-            state
-            (Redux.ReduxStoreEnhancer eff state action)
-            (Redux.ReduxStore eff state action)
+  :: forall state action
+   . EffectFn3
+       (Redux.ReduxReducer state action)
+       state
+       (Redux.ReduxStoreEnhancer state action)
+       (Redux.ReduxStore state action)
 
 foreign import reduxProviderClass
-  :: forall eff state action
-   . React.ReactClass { store :: Redux.ReduxStore eff state action }
+  :: forall state action
+   . React.ReactClass { children :: React.Children, store :: Redux.ReduxStore state action }
 
 foreign import reduxConnect
-  :: forall eff state action stateProps dispatchProps ownProps props options
+  :: forall state action stateProps dispatchProps ownProps props options
    . Fn4 (Fn2 (Record state) (Record ownProps) (Record stateProps))
-         (Fn2 (Redux.ReduxDispatch eff action action) (Record ownProps) (Record dispatchProps))
+         (Fn2 (Redux.ReduxDispatch action action) (Record ownProps) (Record dispatchProps))
          (Fn3 (Record stateProps) (Record dispatchProps) (Record ownProps) (Record props))
          (Record options)
          (React.ReactClass (Record props) -> ConnectClass (Record state) (Record ownProps) (Record props) action)
 
 foreign import reduxConnect_
-  :: forall eff state action stateProps dispatchProps props options
+  :: forall state action stateProps dispatchProps props options
    . Fn4 (Record state -> Record stateProps)
-         (Redux.ReduxDispatch eff action action -> Record dispatchProps)
+         (Redux.ReduxDispatch action action -> Record dispatchProps)
          (Fn3 (Record stateProps) (Record dispatchProps) { } (Record props))
          (Record options)
          (React.ReactClass (Record props) -> ConnectClass' (Record state) (Record props) action)
diff --git a/src/React/Redux/Internal.purs b/src/React/Redux/Internal.purs
index 7d03a0b..abf4f18 100644
--- a/src/React/Redux/Internal.purs
+++ b/src/React/Redux/Internal.purs
@@ -2,7 +2,7 @@ module React.Redux.Internal where
 
 import Prelude
 
-import Control.Monad.Eff.Uncurried (mkEffFn1, runEffFn1)
+import Effect.Uncurried (mkEffectFn1, runEffectFn1)
 
 import Data.Function.Uncurried (mkFn2, runFn2)
 import Data.Maybe (Maybe, fromMaybe, maybe)
@@ -49,32 +49,32 @@ reduxReducerToReducer reduxReducer = wrap (flip (runFn2 reduxReducer) <<< action
 reducerToReduxReducer :: forall state action. Reducer action state -> ReduxReducer state action
 reducerToReduxReducer reducer = mkFn2 \state -> maybe state (flip (unwrap reducer) state) <<< toMaybe <<< reduxActionToAction
 
-reduxBaseDispatchToBaseDispatch :: forall eff action. ReduxBaseDispatch eff action -> BaseDispatch eff action
-reduxBaseDispatchToBaseDispatch = (>>>) actionToReduxAction <<< (<<<) (map reduxActionToAction) <<< runEffFn1
+reduxBaseDispatchToBaseDispatch :: forall action. ReduxBaseDispatch action -> BaseDispatch action
+reduxBaseDispatchToBaseDispatch = (>>>) actionToReduxAction <<< (<<<) (map reduxActionToAction) <<< runEffectFn1
 
-reduxDispatchToDispatch :: forall eff action result. ReduxDispatch eff action result -> Dispatch eff action result
-reduxDispatchToDispatch = (>>>) actionToReduxAction <<< runEffFn1
+reduxDispatchToDispatch :: forall action result. ReduxDispatch action result -> Dispatch action result
+reduxDispatchToDispatch = (>>>) actionToReduxAction <<< runEffectFn1
 
-baseDispatchToReduxBaseDispatch :: forall eff action. Dispatch eff action action -> ReduxBaseDispatch eff action
-baseDispatchToReduxBaseDispatch = mkEffFn1 <<< (>>>) reduxActionToAction <<< (<<<) (map actionToReduxAction)
+baseDispatchToReduxBaseDispatch :: forall action. Dispatch action action -> ReduxBaseDispatch action
+baseDispatchToReduxBaseDispatch = mkEffectFn1 <<< (>>>) reduxActionToAction <<< (<<<) (map actionToReduxAction)
 
-dispatchToReduxDispatch :: forall eff action result. Dispatch eff action result -> ReduxDispatch eff action result
-dispatchToReduxDispatch = mkEffFn1 <<< (>>>) reduxActionToAction
+dispatchToReduxDispatch :: forall action result. Dispatch action result -> ReduxDispatch action result
+dispatchToReduxDispatch = mkEffectFn1 <<< (>>>) reduxActionToAction
 
-reduxMiddlewareApiToMiddlewareApi :: forall eff state action. ReduxMiddlewareAPI eff state action -> MiddlewareAPI eff state action
+reduxMiddlewareApiToMiddlewareApi :: forall state action. ReduxMiddlewareAPI state action -> MiddlewareAPI state action
 reduxMiddlewareApiToMiddlewareApi { getState, dispatch } = { getState, dispatch: reduxBaseDispatchToBaseDispatch dispatch }
 
-middlewareApiToReduxMiddlewareApi :: forall eff state action. MiddlewareAPI eff state action -> ReduxMiddlewareAPI eff state action
+middlewareApiToReduxMiddlewareApi :: forall state action. MiddlewareAPI state action -> ReduxMiddlewareAPI state action
 middlewareApiToReduxMiddlewareApi { getState, dispatch } = { getState, dispatch: baseDispatchToReduxBaseDispatch dispatch }
 
-reduxMiddlewareToMiddleware :: forall eff state action a b. ReduxMiddleware eff state action a b -> Middleware eff state action a b
+reduxMiddlewareToMiddleware :: forall state action a b. ReduxMiddleware state action a b -> Middleware state action a b
 reduxMiddlewareToMiddleware reduxMiddleware = wrap $ \middlewareApi dispatch -> reduxDispatchToDispatch (reduxMiddleware (middlewareApiToReduxMiddlewareApi middlewareApi) (dispatchToReduxDispatch dispatch))
 
-middlewareToReduxMiddleware :: forall eff state action a b. Middleware eff state action a b -> ReduxMiddleware eff state action a b
+middlewareToReduxMiddleware :: forall state action a b. Middleware state action a b -> ReduxMiddleware state action a b
 middlewareToReduxMiddleware middleware reduxMiddlewareApi = reduxMiddleware
   where
-  middleware' :: Dispatch eff action a -> Dispatch eff action b
+  middleware' :: Dispatch action a -> Dispatch action b
   middleware' = unwrap middleware (reduxMiddlewareApiToMiddlewareApi reduxMiddlewareApi)
 
-  reduxMiddleware :: ReduxDispatch eff action a -> ReduxDispatch eff action b
+  reduxMiddleware :: ReduxDispatch action a -> ReduxDispatch action b
   reduxMiddleware = dispatchToReduxDispatch <<< middleware' <<< reduxDispatchToDispatch
diff --git a/src/React/Redux/Middleware.purs b/src/React/Redux/Middleware.purs
index ab3cf62..4767808 100644
--- a/src/React/Redux/Middleware.purs
+++ b/src/React/Redux/Middleware.purs
@@ -2,32 +2,31 @@ module React.Redux.Middleware where
 
 import Prelude
 
-import Control.Monad.Eff (Eff)
+import Effect (Effect)
 
-import Data.Monoid (class Monoid, mempty)
 import Data.Newtype (class Newtype, unwrap)
 
-import React.Redux.Types (ReduxEffect, Dispatch)
+import React.Redux.Types (Dispatch)
 
-type MiddlewareAPI eff state action
-  = { getState :: Eff (ReduxEffect eff) state
-    , dispatch :: Dispatch eff action action
+type MiddlewareAPI state action
+  = { getState :: Effect state
+    , dispatch :: Dispatch action action
     }
 
-newtype Middleware eff state action a b = Middleware (MiddlewareAPI eff state action -> Dispatch eff action a -> Dispatch eff action b)
+newtype Middleware state action a b = Middleware (MiddlewareAPI state action -> Dispatch action a -> Dispatch action b)
 
-derive instance newtypeMiddleware :: Newtype (Middleware eff state action a b) _
+derive instance newtypeMiddleware :: Newtype (Middleware state action a b) _
 
-instance semigroupoidMiddleware :: Semigroupoid (Middleware eff state action) where
+instance semigroupoidMiddleware :: Semigroupoid (Middleware state action) where
   compose (Middleware f) (Middleware g) = Middleware (\api -> f api <<< g api)
 
-instance categoryMiddleware :: Category (Middleware eff state action) where
-  id = Middleware (const id)
+instance categoryMiddleware :: Category (Middleware state action) where
+  identity = Middleware (const identity)
 
-instance functorMiddleware :: Functor (Middleware eff state action a) where
+instance functorMiddleware :: Functor (Middleware state action a) where
   map f (Middleware g) = Middleware (\api next action -> f <$> g api next action)
 
-instance applyMiddleware :: Apply (Middleware eff state action a) where
+instance applyMiddleware :: Apply (Middleware state action a) where
   apply (Middleware f) (Middleware g) =
     Middleware $ \api next action -> do
       a <- g api next action
@@ -36,19 +35,19 @@ instance applyMiddleware :: Apply (Middleware eff state action a) where
 
       pure (k a)
 
-instance applicativeMiddleware :: Applicative (Middleware eff state action a) where
+instance applicativeMiddleware :: Applicative (Middleware state action a) where
   pure a = Middleware (\_ _ _ -> pure a)
 
-instance bindMiddleware :: Bind (Middleware eff state action a) where
+instance bindMiddleware :: Bind (Middleware state action a) where
   bind (Middleware m) f =
     Middleware $ \api next action -> do
       a <- m api next action
 
       unwrap (f a) api next action
 
-instance monadMiddleware :: Monad (Middleware eff state action a)
+instance monadMiddleware :: Monad (Middleware state action a)
 
-instance semigroupMiddleware :: Semigroup b => Semigroup (Middleware eff state action a b) where
+instance semigroupMiddleware :: Semigroup b => Semigroup (Middleware state action a b) where
   append (Middleware f) (Middleware g) =
     Middleware $ \api next action -> do
       b1 <- f api next action
@@ -57,5 +56,5 @@ instance semigroupMiddleware :: Semigroup b => Semigroup (Middleware eff state a
 
       pure (b1 <> b2)
 
-instance monoidMiddleware :: Monoid b => Monoid (Middleware eff state action a b) where
+instance monoidMiddleware :: Monoid b => Monoid (Middleware state action a b) where
   mempty = Middleware (const (const (const (pure mempty))))
diff --git a/src/React/Redux/Reducer.purs b/src/React/Redux/Reducer.purs
index c945ff5..379f76a 100644
--- a/src/React/Redux/Reducer.purs
+++ b/src/React/Redux/Reducer.purs
@@ -2,7 +2,6 @@ module React.Redux.Reducer where
 
 import Prelude
 
-import Data.Monoid (class Monoid, mempty)
 import Data.Newtype (class Newtype, wrap, unwrap)
 
 newtype Reducer action state state' = Reducer (action -> state -> state')
@@ -13,7 +12,7 @@ instance semigroupoidReducer :: Semigroupoid (Reducer action) where
   compose (Reducer f) (Reducer g) = Reducer (\action -> f action <<< g action)
 
 instance categoryReducer :: Category (Reducer action) where
-  id = Reducer (const id)
+  identity = Reducer (const identity)
 
 instance functorReducer :: Functor (Reducer action state) where
   map f (Reducer g) = Reducer ((<<<) f <<< g)
diff --git a/src/React/Redux/Types.purs b/src/React/Redux/Types.purs
index f1268cd..3628c1a 100644
--- a/src/React/Redux/Types.purs
+++ b/src/React/Redux/Types.purs
@@ -2,28 +2,22 @@ module React.Redux.Types where
 
 import Prelude
 
-import Control.Monad.Eff (kind Effect, Eff)
-import Control.Monad.Eff.Uncurried (EffFn1)
+import Effect (Effect)
+import Effect.Uncurried (EffectFn1)
 
 import Data.Function.Uncurried (Fn2)
 import Data.Nullable (Nullable)
 
 import React.Redux.Reducer as Reducer
 
--- | Effect type for Redux.
-foreign import data REDUX :: Effect
-
--- | Convenience type alias for the Redux effect.
-type ReduxEffect eff = (redux :: REDUX | eff)
-
 -- | Reducer that does not change the type of the `state`.
 type Reducer action state = Reducer.Reducer action state state
 
 -- | Dispatching function that returns the action it was passed.
-type BaseDispatch eff action = Dispatch eff action action
+type BaseDispatch action = Dispatch action action
 
 -- | Dispatching function that returns a `result` type given an action.
-type Dispatch eff action result = action -> Eff (ReduxEffect eff) result
+type Dispatch action result = action -> Effect result
 
 -- | Redux actions must be a record with a `type` field.
 type ReduxAction r = { type :: String | r }
@@ -35,30 +29,30 @@ type ReduxAction' action = ReduxAction (action :: action)
 type ReduxReducer state action = Fn2 state (ReduxAction' (Nullable action)) state
 
 -- | The `ReduxBaseDispatch` is the dispatching function provided to the store without any middleware.
-type ReduxBaseDispatch eff action = EffFn1 (ReduxEffect eff) (ReduxAction' action) (ReduxAction' action)
+type ReduxBaseDispatch action = EffectFn1 (ReduxAction' action) (ReduxAction' action)
 
 -- | Allows `ReduxMiddleware` to wrap the `ReduxBaseDispatch` function to return a different result to be passed to the next `ReduxMiddleware`.
-type ReduxDispatch eff action result = EffFn1 (ReduxEffect eff) (ReduxAction' action) result
+type ReduxDispatch action result = EffectFn1 (ReduxAction' action) result
 
 -- | Simplified `Store` representation passed to each middleware.
-type ReduxMiddlewareAPI eff state action
-  = { dispatch :: ReduxBaseDispatch eff action
-    , getState :: Eff (ReduxEffect eff) state
+type ReduxMiddlewareAPI state action
+  = { dispatch :: ReduxBaseDispatch action
+    , getState :: Effect state
     }
 
 -- | Function that composes dispatch functions. Purposely restricted to dispatching `action` types here.
-type ReduxMiddleware eff state action a b = ReduxMiddlewareAPI eff state action -> ReduxDispatch eff action a -> ReduxDispatch eff action b
+type ReduxMiddleware state action a b = ReduxMiddlewareAPI state action -> ReduxDispatch action a -> ReduxDispatch action b
 
 -- | Foreign Redux store creator function.
-foreign import data ReduxStoreCreator :: # Effect -> Type -> Type -> Type
+foreign import data ReduxStoreCreator :: Type -> Type -> Type
 
 -- | Type alias for a foreign Redux store enhancer, taking a `ReduxStoreCreator` and returning a `ReduxStoreCreator`.
-type ReduxStoreEnhancer eff state action = ReduxStoreCreator eff state action -> ReduxStoreCreator eff state action
+type ReduxStoreEnhancer state action = ReduxStoreCreator state action -> ReduxStoreCreator state action
 
 -- | Type alias for a foreign `ReduxStore`
-type ReduxStore eff state action
-  = { dispatch :: ReduxBaseDispatch eff action
-    , getState :: Eff (ReduxEffect eff) state
-    , subscribe :: Eff (ReduxEffect eff) Unit -> Eff (ReduxEffect eff) Unit
-    , replaceReducer :: EffFn1 (ReduxEffect eff) (ReduxReducer state action) Unit
+type ReduxStore state action
+  = { dispatch :: ReduxBaseDispatch action
+    , getState :: Effect state
+    , subscribe :: Effect Unit -> Effect Unit
+    , replaceReducer :: EffectFn1 (ReduxReducer state action) Unit
     }