diff --git a/Shpadoinkle-backend-pardiff.cabal b/Shpadoinkle-backend-pardiff.cabal
--- a/Shpadoinkle-backend-pardiff.cabal
+++ b/Shpadoinkle-backend-pardiff.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: e4c59e02d2900e9866f026c912400c625d84043f1583a943317d1733479603d7
+-- hash: 155c49d78360144d64f13cffb9b7fa4809906b5397bdc653a7a62767650db3c1
 
 name:           Shpadoinkle-backend-pardiff
-version:        0.1.0.0
+version:        0.1.0.1
 synopsis:       A Virtual Dom in pure Haskell, based on Html as an Alignable Functor.
 description:    Virtual Dom diffing in pure Haskell. The Diffing is a lawful usage of @alignWith@ from the @Data.These@ package. This implimentation stores a reference to the @RawNode@ for each node in the virtual tree, merging keyed and unkeyed virtual dom techniques.
 category:       Web
@@ -39,7 +39,7 @@
     , containers >=0.6.0 && <0.7
     , file-embed >=0.0.11 && <0.1
     , jsaddle >=0.9.7 && <0.20
-    , lens >=4.17.1 && <4.2
+    , lens >=4.17.1 && <5.0
     , mtl >=2.2.2 && <2.3
     , neat-interpolation >=0.3.2 && <0.6
     , random >=1.1 && <1.2
