diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,12 @@
+0.10.0.3:
+
+  No change to 0.10.0.3 other than a polyparse constraint (changed
+  '<= 1.13' to '< 1.14'), moved to GHC 8.8 as the build version, and
+  updated the copyright year.
+
+  Removed the GHC 7.8 stack YAML file as it won't work with
+  recent stack versions.
+
 0.10.0.2:
 
   Switched hosting from bitbucket to gitlab (and mercurial to
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -19,14 +19,14 @@
 Since then it has been updated to take advantage of recent
 developments in the Haskell ecosystem, add support for the NTriples
 and Turtle serialisation formats, and a number of convenience
-functions. Development is done on the [bitbucket
-site](https://bitbucket.org/doug_burke/swish/); there is an *outdated*
-version [on GitHub](https://github.com/DougBurke/swish), which was
-being used for its access to Travis.
+functions. Development is done on GitLab at https://gitlab.com/dburke/swish
+and the previous [bitbucket site](https://bitbucket.org/doug_burke/swish/)
+is now *outdated* (you may also find a version on GitHub which should
+also be ignored).
 
-I attempt to keep Swish buildable on recent GHC versions - at present
-back to GHC 7.4 although not actually tested on such - but it is done
-on a best-effort basis, so is not guaranteed.
+I attempt to keep Swish buildable on recent GHC versions but it is done
+on a best-effort basis, so support for "older" versions of GHC is not
+guaranteed.
 
 # Aim
 
@@ -39,13 +39,14 @@
 
     (c) 2003, 2004 G. Klyne
     (c) 2009 Vasili I Galchin
-    (c) 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Doug Burke
+    (c) 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019,
+	    2020 Doug Burke
 
 All rights reserved.
 
 # License
 
-[LGPL V2.1](https://bitbucket.org/doug_burke/swish/src/tip/LICENSE)
+[LGPL V2.1](https://gitlab.com/dburke/swish/raw/master/LICENSE)
 
 # Haskell and the Semantic Web 
 
@@ -78,9 +79,22 @@
 
     % cd swish
     % stack install
+    % STACK_YAML=stack-8.8.yaml stack install
     % STACK_YAML=stack-8.6.yaml stack install
     % STACK_YAML=stack-8.4.yaml stack install
     % STACK_YAML=stack-8.2.yaml stack install
     % STACK_YAML=stack-8.0.yaml stack install
     % STACK_YAML=stack-7.10.yaml stack install
-    % STACK_YAML=stack-7.8.yaml stack install
+
+## With nix
+
+There is now support for building with the [nix](https://nixos.org/nix/)
+package manager:
+
+    % nix-shell
+	...
+	nix-shell% cabal test
+
+At the time of writing this uses GHC 8.8.2, but you can switch compiler
+
+    % nix-shell --argstr compiler ghc865
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,4 +1,4 @@
 flags: {}
 packages:
 - '.'
-resolver: lts-13.19
+resolver: lts-15.0
diff --git a/swish.cabal b/swish.cabal
--- a/swish.cabal
+++ b/swish.cabal
@@ -1,15 +1,15 @@
 Name:               swish
-Version:            0.10.0.2
+Version:            0.10.0.3
 Stability:          experimental
 License:            LGPL-2.1
 License-file:       LICENSE 
 Author:             Graham Klyne - GK@ninebynine.org
-Copyright:          (c) 2003, 2004 G. Klyne; 2009 Vasili I Galchin; 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Doug Burke; All rights reserved.
+Copyright:          (c) 2003, 2004 G. Klyne; 2009 Vasili I Galchin; 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Doug Burke; All rights reserved.
 Maintainer:         dburke@cfa.harvard.edu
 Category:           Semantic Web
 Synopsis:           A semantic web toolkit. 
 
-Tested-With:        GHC==8.6.5
+Tested-With:        GHC==8.8.2
 Cabal-Version:      >= 1.9.2
 Homepage:           https://gitlab.com/dburke/swish
 Bug-reports:        https://gitlab.com/dburke/swish/issues
@@ -100,7 +100,7 @@
       mtl >= 2 && < 3,
       -- old-locale is only needed if time < 1.5           
       old-locale == 1.0.*, 
-      polyparse >= 1.6 && <= 1.13,
+      polyparse >= 1.6 && < 1.14,
       text >= 0.11 && < 1.3,
       -- I don't think 1.9.0 will work and it was quickly replaced
       -- so do not support it