diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [v1.3.0.5](https://github.com/diagrams/diagrams-canvas/tree/v1.3.0.5)(2016-06-16)
+
+- allow `base-4.9`
+- allow `data-default-class-0.1`
+- drop support for GHC 7.6
+- test on GHC 8.0.1
+
 ## [v1.3.0.4](https://github.com/diagrams/diagrams-canvas/tree/v1.3.0.4)(2016-05-01)
 
 - allow `lens-4.14`
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:             1.3.0.4
+Version:             1.3.0.5
 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
@@ -14,7 +14,7 @@
 Category:            Graphics
 Build-type:          Simple
 Extra-source-files:  README.md, CHANGELOG.md
-Tested-with:         GHC == 7.6.3, GHC == 7.8.4, GHC == 7.10.2
+Tested-with:         GHC == 7.8.4, GHC == 7.10.2, GHC == 8.0.1
 Cabal-version:       >=1.10
 Source-repository head
   type:     git
@@ -24,7 +24,7 @@
   Exposed-modules:     Diagrams.Backend.Canvas
                        Diagrams.Backend.Canvas.CmdLine
   Hs-source-dirs:      src
-  Build-depends:       base >= 4.6 && < 4.9,
+  Build-depends:       base >= 4.6 && < 4.10,
                        mtl >= 2.0 && < 3.0,
                        NumInstances >= 1.0 && < 1.5,
                        diagrams-core >= 1.3 && < 1.4,
@@ -34,7 +34,7 @@
                        lens >= 4.0 && < 4.15,
                        containers >= 0.3 && < 0.6,
                        text >= 1.0 && < 1.3,
-                       data-default-class >= 0.0.1 && < 0.1,
+                       data-default-class >= 0.0.1 && < 0.2,
                        statestack >= 0.2 && <0.3,
                        optparse-applicative >= 0.10 && < 0.13
 
diff --git a/src/Diagrams/Backend/Canvas.hs b/src/Diagrams/Backend/Canvas.hs
--- a/src/Diagrams/Backend/Canvas.hs
+++ b/src/Diagrams/Backend/Canvas.hs
@@ -320,6 +320,7 @@
     a = case wgt of
           FontWeightNormal -> ""
           FontWeightBold   -> "bold"
+          _                -> ""
     b = case slant of
           FontSlantNormal  -> ""
           FontSlantItalic  -> "italic"