diff --git a/CHANGES.md b/CHANGES.md
deleted file mode 100644
--- a/CHANGES.md
+++ /dev/null
@@ -1,4 +0,0 @@
-0.2.0.1 (22 August 2014)
-------------------------
-
-- Allow lens-4.4
diff --git a/diagrams-canvas.cabal b/diagrams-canvas.cabal
--- a/diagrams-canvas.cabal
+++ b/diagrams-canvas.cabal
@@ -1,5 +1,5 @@
 Name:                diagrams-canvas
-Version:             0.2.0.1
+Version:             0.2.0.2
 Synopsis:            HTML5 canvas backend for diagrams drawing EDSL
 Description:         This package provides a modular backend for rendering
                      diagrams created with the diagrams EDSL using an
@@ -7,13 +7,13 @@
 Homepage:            http://projects.haskell.org/diagrams/
 License:             BSD3
 License-file:        LICENSE
-Author:              Jeffrey Rosenbluth, Ryan Yates, Brent Yorgey, Andy Gill, Daniel Bergey
+Author:              Jeffrey Rosenbluth, Ryan Yates, Brent Yorgey, Andy Gill
 Maintainer:          diagrams-discuss@googlegroups.com
 Bug-reports:         http://github.com/diagrams/diagrams-canvas/issues
 Stability:           Experimental
 Category:            Graphics
 Build-type:          Simple
-Extra-source-files:  README.md, CHANGES.md
+Extra-source-files:  README.md
 Cabal-version:       >=1.10
 Source-repository head
   type:     git
@@ -31,11 +31,11 @@
                        diagrams-lib >= 1.2 && < 1.3,
                        cmdargs >= 0.6 && < 0.11,
                        blank-canvas >= 0.4 && < 0.5,
-                       lens >= 4.0 && < 4.5,
+                       lens >= 3.8 && < 4.3,
                        containers >= 0.3 && < 0.6,
                        text >= 1.0 && < 1.2,
                        data-default-class >= 0.0.1 && < 0.1,
                        statestack >= 0.2 && <0.3,
-                       optparse-applicative >= 0.9 && < 0.10
+                       optparse-applicative >= 0.10 && < 0.11
 
   Default-language:    Haskell2010
diff --git a/src/Diagrams/Backend/Canvas/CmdLine.hs b/src/Diagrams/Backend/Canvas/CmdLine.hs
--- a/src/Diagrams/Backend/Canvas/CmdLine.hs
+++ b/src/Diagrams/Backend/Canvas/CmdLine.hs
@@ -80,15 +80,15 @@
 
 diaOpts :: Parser DiaOpts
 diaOpts = DiaOpts
-  <$> (optional . option)
+  <$> (optional . option auto)
       (long "width" <> short 'w'
     <> metavar "WIDTH"
     <> help "Desired WIDTH of the output image")
-  <*> (optional . option)
+  <*> (optional . option auto)
       (long "height" <> short 'h'
     <> metavar "HEIGHT"
     <> help "Desired HEIGHT of the output image")
-  <*> option
+  <*> option auto
       (long "port" <> short 'p' 
     <> value 3000
     <> metavar "PORT"