diff --git a/cabal.project b/cabal.project
index 2d0abf3..c2a4f3d 100644
--- a/cabal.project
+++ b/cabal.project
@@ -5,7 +5,7 @@ packages:
 source-repository-package
     type: git
     location: https://github.com/sayo-hs/data-effects
-    tag: 6890ba050c9f430eb2932723681de1a2b7f6a415
+    tag: 9b098c118bf768447fc8372d2e8f1c2e6e63eeb3
     subdir: data-effects-core
     subdir: data-effects-th
     subdir: data-effects
diff --git a/heftia-effects/Example/Logging/Main.hs b/heftia-effects/Example/Logging/Main.hs
index 1b0281e..746edaf 100644
--- a/heftia-effects/Example/Logging/Main.hs
+++ b/heftia-effects/Example/Logging/Main.hs
@@ -39,7 +39,7 @@ data Time a where
 
 makeEffectF [''Time]
 
-timeToIO :: (IO <| r, ForallHFunctor eh) => eh :!! (LTime ': r) ~> eh :!! r
+timeToIO :: (IO <| r, ForallHFunctor eh) => eh :!! LTime ': r ~> eh :!! r
 timeToIO = interpretRec \CurrentTime -> sendIns getCurrentTime
 
 logWithTime :: (Log <| ef, Time <| ef, ForallHFunctor eh) => eh :!! ef ~> eh :!! ef
@@ -58,12 +58,12 @@ data LogChunk f (a :: Type) where
 makeEffectH [''LogChunk]
 
 -- | Ignore chunk names and output logs in log chunks as they are.
-runLogChunk :: ForallHFunctor eh => (LogChunk ': eh) :!! ef ~> eh :!! ef
+runLogChunk :: ForallHFunctor eh => LogChunk ': eh :!! ef ~> eh :!! ef
 runLogChunk = interpretRecH \(LogChunk _ m) -> m
 
 -- | Limit the number of logs in a log chunk to the first @n@ logs.
 limitLogChunk
-    ::  forall eh ef. (LogChunk <<| eh, Log <| {- LState Int ': -} ef) =>
+    ::  forall eh ef. (LogChunk <<| eh, Log <| ef) =>
         Int -> LogChunk ('[] :!! ef) ~> LogChunk ('[] :!! ef)
 limitLogChunk n (LogChunk chunkName a) =
     LogChunk chunkName . evalState @Int 0 $
@@ -82,7 +82,7 @@ data FileSystem a where
 
 makeEffectF [''FileSystem]
 
-runDummyFS :: (IO <| r, ForallHFunctor eh) => eh :!! (LFileSystem ': r) ~> eh :!! r
+runDummyFS :: (IO <| r, ForallHFunctor eh) => eh :!! LFileSystem ': r ~> eh :!! r
 runDummyFS = interpretRec \case
     Mkdir path ->
         sendIns $ putStrLn $ "<runDummyFS> mkdir " <> path
diff --git a/heftia/src/Control/Effect/ExtensibleChurch.hs b/heftia/src/Control/Effect/ExtensibleChurch.hs
index 562568c..e42b4bb 100644
--- a/heftia/src/Control/Effect/ExtensibleChurch.hs
+++ b/heftia/src/Control/Effect/ExtensibleChurch.hs
@@ -31,8 +31,8 @@ infixr 4 !
 type ehs :!! efs = Eff ExtensibleUnion FreerChurch ehs efs
 type (:!) efs = EffF ExtensibleUnion FreerChurch efs
 
-infixr 5 :!!
-infixr 4 :!
+infixr 4 :!!
+infixr 3 :!
 
 runEff :: Monad f => '[] :!! '[LiftIns f] ~> f
 runEff = H.runEff
diff --git a/heftia/src/Control/Effect/ExtensibleFastA.hs b/heftia/src/Control/Effect/ExtensibleFastA.hs
index 3defefc..bdfd9a6 100644
--- a/heftia/src/Control/Effect/ExtensibleFastA.hs
+++ b/heftia/src/Control/Effect/ExtensibleFastA.hs
@@ -33,9 +33,8 @@ infixr 4 !
 type ehs :!! efs = Eff ExtensibleUnion Ap ehs efs
 type (:!) efs = EffF ExtensibleUnion Ap efs
 
-infixr 5 :!!
-infixr 4 :!
-
+infixr 4 :!!
+infixr 3 :!
 runEff :: Applicative f => '[] :!! '[LiftIns f] ~> f
 runEff = H.runEff
 {-# INLINE runEff #-}
diff --git a/heftia/src/Control/Effect/ExtensibleFinal.hs b/heftia/src/Control/Effect/ExtensibleFinal.hs
index 9946ba4..722d27d 100644
--- a/heftia/src/Control/Effect/ExtensibleFinal.hs
+++ b/heftia/src/Control/Effect/ExtensibleFinal.hs
@@ -31,9 +31,8 @@ infixr 4 !
 type ehs :!! efs = Eff ExtensibleUnion (FreerFinal Monad) ehs efs
 type (:!) efs = EffF ExtensibleUnion (FreerFinal Monad) efs
 
-infixr 5 :!!
-infixr 4 :!
-
+infixr 4 :!!
+infixr 3 :!
 runEff :: Monad f => '[] :!! '[LiftIns f] ~> f
 runEff = H.runEff
 {-# INLINE runEff #-}
diff --git a/heftia/src/Control/Effect/ExtensibleFinalA.hs b/heftia/src/Control/Effect/ExtensibleFinalA.hs
index c06188b..93fc720 100644
--- a/heftia/src/Control/Effect/ExtensibleFinalA.hs
+++ b/heftia/src/Control/Effect/ExtensibleFinalA.hs
@@ -31,9 +31,8 @@ infixr 4 !
 type ehs :!! efs = Eff ExtensibleUnion (FreerFinal Applicative) ehs efs
 type (:!) efs = EffF ExtensibleUnion (FreerFinal Applicative) efs
 
-infixr 5 :!!
-infixr 4 :!
-
+infixr 4 :!!
+infixr 3 :!
 runEff :: Applicative f => '[] :!! '[LiftIns f] ~> f
 runEff = H.runEff
 {-# INLINE runEff #-}
diff --git a/heftia/src/Control/Effect/ExtensibleTree.hs b/heftia/src/Control/Effect/ExtensibleTree.hs
index e3c7fe6..8e89677 100644
--- a/heftia/src/Control/Effect/ExtensibleTree.hs
+++ b/heftia/src/Control/Effect/ExtensibleTree.hs
@@ -31,9 +31,8 @@ infixr 4 !
 type ehs :!! efs = Eff ExtensibleUnion FreerTree ehs efs
 type (:!) efs = EffF ExtensibleUnion FreerTree efs
 
-infixr 5 :!!
-infixr 4 :!
-
+infixr 4 :!!
+infixr 3 :!
 runEff :: Monad f => '[] :!! '[LiftIns f] ~> f
 runEff = H.runEff
 {-# INLINE runEff #-}
diff --git a/heftia/src/Control/Effect/ExtensibleTreeA.hs b/heftia/src/Control/Effect/ExtensibleTreeA.hs
index cfe6a15..6f19e5d 100644
--- a/heftia/src/Control/Effect/ExtensibleTreeA.hs
+++ b/heftia/src/Control/Effect/ExtensibleTreeA.hs
@@ -34,9 +34,8 @@ infixr 4 !
 type ehs :!! efs = Eff ExtensibleUnion Ap ehs efs
 type (:!) efs = EffF ExtensibleUnion Ap efs
 
-infixr 5 :!!
-infixr 4 :!
-
+infixr 4 :!!
+infixr 3 :!
 runEff :: Applicative f => '[] :!! '[LiftIns f] ~> f
 runEff = H.runEff
 {-# INLINE runEff #-}