diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,23 @@
+## [v1.4.3.1](https://github.com/diagrams/diagrams-svg/tree/v1.4.3.1) (2021-12-28)
+
+- Dependency upper bounds updates to allow:
+    - `base-4.16` (GHC 9.2)
+    - `lens-5.1`
+    - `hashable-1.4`
+    - `semigroups-0.20`
+- Add `Eq` instance for `Options SVG` and (orphan) `Eq` instance for `Element`
+
+## [v1.4.3-r3](https://github.com/diagrams/diagrams-svg/tree/v1.4.3-r3) (2021-06-08)
+
+Dependency upper bounds updates, to allow:
+
+- `base-4.15` (GHC 9.0)
+- `base64-bytestring-1.2`
+- `diagrams-core-1.5`
+- `monoid-extras-0.6`
+- `lens-5.0`
+- `optparse-applicative-0.16`
+
 ## [v1.4.3](https://github.com/diagrams/diagrams-svg/tree/v1.4.3) (2019-12-10)
 
 - Allow `base-4.13` (GHC 8.8), `lens-4.18`, `semigroups-0.19`,
diff --git a/diagrams-svg.cabal b/diagrams-svg.cabal
--- a/diagrams-svg.cabal
+++ b/diagrams-svg.cabal
@@ -1,7 +1,7 @@
 Name:                diagrams-svg
-Version:             1.4.3
+Version:             1.4.3.1
 Synopsis:            SVG backend for diagrams drawing EDSL.
-Homepage:            http://projects.haskell.org/diagrams/
+Homepage:            https://diagrams.github.io/
 License:             BSD3
 License-file:        LICENSE
 Extra-source-files:  README.md, CHANGELOG.md
@@ -12,7 +12,7 @@
 Category:            Graphics
 Build-type:          Simple
 Cabal-version:       >=1.10
-Tested-with:         GHC ==7.10.3 || ==8.0.2 || ==8.2.2 || ==8.4.3 || ==8.6.5 || ==8.8.1
+Tested-with:         GHC ==8.4.4 || ==8.6.5 || ==8.8.4 || ==8.10.4 || ==9.0.1 || ==9.2.1
 Description:         This package provides a modular backend for rendering
                      diagrams created with the diagrams EDSL to SVG
                      files.  It uses @lucid-svg@ to be a native
@@ -40,26 +40,24 @@
                        Diagrams.Backend.SVG.CmdLine
   Other-modules:       Graphics.Rendering.SVG
   Hs-source-dirs:      src
-  Build-depends:       base                 >= 4.7   && < 4.14
+  Build-depends:       base                 >= 4.7   && < 4.17
                      , filepath
                      , mtl                  >= 1     && < 2.3
                      , bytestring           >= 0.9   && < 1.0
-                     , base64-bytestring    >= 1     && < 1.1
+                     , base64-bytestring    >= 1     && < 1.3
                      , colour
-                     , diagrams-core        >= 1.4   && < 1.5
+                     , diagrams-core        >= 1.4   && < 1.6
                      , diagrams-lib         >= 1.4   && < 1.5
-                     , monoid-extras        >= 0.3   && < 0.6
+                     , monoid-extras        >= 0.3   && < 0.7
                      , svg-builder          >= 0.1   && < 0.2
                      , text                 >= 0.11  && < 1.3
                      , JuicyPixels          >= 3.1.5 && < 3.4
                      , split                >= 0.1.2 && < 0.3
                      , containers           >= 0.3   && < 0.7
-                     , lens                 >= 4.0   && < 4.19
-                     , hashable             >= 1.1   && < 1.4
-                     , optparse-applicative >= 0.13  && < 0.16
-                     , semigroups           >= 0.13  && < 0.20
-  if impl(ghc < 7.6)
-    build-depends:     ghc-prim
+                     , lens                 >= 4.0   && < 5.2
+                     , hashable             >= 1.1   && < 1.5
+                     , optparse-applicative >= 0.13  && < 0.17
+                     , semigroups           >= 0.13  && < 0.21
 
   Ghc-options:         -Wall
 
diff --git a/src/Diagrams/Backend/SVG.hs b/src/Diagrams/Backend/SVG.hs
--- a/src/Diagrams/Backend/SVG.hs
+++ b/src/Diagrams/Backend/SVG.hs
@@ -17,6 +17,8 @@
 {-# LANGUAGE TypeFamilies               #-}
 {-# LANGUAGE TypeSynonymInstances       #-}
 
+{-# OPTIONS_GHC -fno-warn-orphans #-}
+
 ----------------------------------------------------------------------------
 -- |
 -- Module      :  Diagrams.Backend.SVG
@@ -125,6 +127,7 @@
 import           Control.Monad.Reader
 import           Control.Monad.State
 import           Data.Char
+import           Data.Function            (on)
 import           Data.Typeable
 
 -- from hashable
@@ -254,6 +257,7 @@
                           -- ^ Attriubtes to apply to the entire svg element.
     , _generateDoctype :: Bool
     }
+    deriving Eq
 
   renderRTree :: SVG -> Options SVG V2 n -> RTree SVG V2 n Annotation -> Result SVG V2 n
   renderRTree _ opts rt = runRenderM (opts ^.idPrefix) svgOutput
@@ -427,3 +431,12 @@
     sa `hashWithSalt`
     gd
       where ds = fmap renderBS defs
+
+-- This is an orphan instance.  Since Element is defined as a newtype
+-- of (HashMap Text Text -> Builder), it doesn't really make sense to
+-- define an Eq instance for it in general.  However, as of
+-- hashable-1.4 an Eq superclass was added to Hashable, so in order to
+-- have a Hashable instance for Options SVG, we need to have a
+-- matching Eq instance.
+instance Eq Element where
+  (==) = (==) `on` renderBS
diff --git a/src/Diagrams/Backend/SVG/CmdLine.hs b/src/Diagrams/Backend/SVG/CmdLine.hs
--- a/src/Diagrams/Backend/SVG/CmdLine.hs
+++ b/src/Diagrams/Backend/SVG/CmdLine.hs
@@ -50,7 +50,7 @@
 --   "Diagrams.Backend.SVG" for more information.
 --
 -- For a tutorial on command-line diagram creation see
--- <http://projects.haskell.org/diagrams/doc/cmdline.html>.
+-- <https://diagrams.github.io/doc/cmdline.html>.
 --
 -----------------------------------------------------------------------------