diff --git a/cornea.cabal b/cornea.cabal
--- a/cornea.cabal
+++ b/cornea.cabal
@@ -1,11 +1,11 @@
 cabal-version: 2.2
 
--- This file has been generated from package.yaml by hpack version 0.34.4.
+-- This file has been generated from package.yaml by hpack version 0.34.6.
 --
 -- see: https://github.com/sol/hpack
 
 name:           cornea
-version:        0.4.0.0
+version:        0.4.0.1
 synopsis:       classy optical monadic state
 description:    Please see the README on GitHub at <https://github.com/tek/cornea>
 category:       Lens
@@ -100,14 +100,14 @@
   ghc-options: -Wall -Wredundant-constraints -Wsimplifiable-class-constraints
   build-depends:
       base ==4.*
-    , either >=5.0.1 && <5.1
-    , lens ==4.*
+    , either >=5.0.1
+    , lens >=4
     , lifted-base <0.3
-    , monad-control ==1.0.*
+    , monad-control >=1.0
     , mtl
-    , relude >=0.7 && <1.2
+    , relude >=0.7
     , template-haskell
-    , th-abstraction >=0.3 && <0.5
+    , th-abstraction >=0.3
     , transformers
   mixins:
       base hiding (Prelude)
@@ -121,6 +121,8 @@
       DeepReaderSpec
       DeepStateSpec
       Paths_cornea
+  autogen-modules:
+      Paths_cornea
   hs-source-dirs:
       test
   default-extensions:
@@ -184,17 +186,17 @@
   build-depends:
       base ==4.*
     , cornea
-    , either >=5.0.1 && <5.1
+    , either >=5.0.1
     , hedgehog
-    , lens ==4.*
+    , lens >=4
     , lifted-base <0.3
-    , monad-control ==1.0.*
+    , monad-control >=1.0
     , mtl
-    , relude >=0.7 && <1.2
+    , relude >=0.7
     , tasty
     , tasty-hedgehog
     , template-haskell
-    , th-abstraction >=0.3 && <0.5
+    , th-abstraction >=0.3
     , transformers
   mixins:
       base hiding (Prelude)
diff --git a/lib/Control/Monad/DeepState.hs b/lib/Control/Monad/DeepState.hs
--- a/lib/Control/Monad/DeepState.hs
+++ b/lib/Control/Monad/DeepState.hs
@@ -85,8 +85,8 @@
   MonadDeepState s s' m =>
   Lens' s' a ->
   m a
-getL =
-  gets . Lens.view
+getL l =
+  gets (Lens.view l)
 
 getsL ::
   ∀ s' s m a b.