diff --git a/.travis.yml b/.travis.yml
index dd91246..76b09c8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,84 +1,95 @@
-# This file has been generated -- see https://github.com/hvr/multi-ghc-travis
+# This Travis job script has been generated by a script via
+#
+#   make_travis_yml_2.hs 'hjsonpointer.cabal'
+#
+# For more information, see https://github.com/hvr/multi-ghc-travis
 #
-# Manually modified to remove cabal check. I don't want a description field.
-
 language: c
 sudo: false
 
+git:
+  submodules: false  # whether to recursively clone submodules
+
 cache:
   directories:
-    - $HOME/.cabsnap
     - $HOME/.cabal/packages
+    - $HOME/.cabal/store
 
 before_cache:
   - rm -fv $HOME/.cabal/packages/hackage.haskell.org/build-reports.log
-  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/00-index.tar
+  # remove files that are regenerated by 'cabal update'
+  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/00-index.*
+  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/*.json
+  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.cache
+  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.tar
+  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.tar.idx
 
 matrix:
   include:
-    - env: CABALVER=1.18 GHCVER=7.8.4
-      compiler: ": #GHC 7.8.4"
-      addons: {apt: {packages: [cabal-install-1.18,ghc-7.8.4], sources: [hvr-ghc]}}
-    - env: CABALVER=1.22 GHCVER=7.10.2
-      compiler: ": #GHC 7.10.2"
-      addons: {apt: {packages: [cabal-install-1.22,ghc-7.10.2], sources: [hvr-ghc]}}
-    - env: CABALVER=1.24 GHCVER=8.0.1
-      compiler: ": #GHC 8.0.1"
-      addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.1], sources: [hvr-ghc]}}
+    - compiler: "ghc-7.10.3"
+    # env: TEST=--disable-tests BENCH=--disable-benchmarks
+      addons: {apt: {packages: [ghc-ppa-tools,cabal-install-head,ghc-7.10.3], sources: [hvr-ghc]}}
+    - compiler: "ghc-8.0.1"
+    # env: TEST=--disable-tests BENCH=--disable-benchmarks
+      addons: {apt: {packages: [ghc-ppa-tools,cabal-install-head,ghc-8.0.1], sources: [hvr-ghc]}}
+    - compiler: "ghc-8.2.1"
+    # env: TEST=--disable-tests BENCH=--disable-benchmarks
+      addons: {apt: {packages: [ghc-ppa-tools,cabal-install-head,ghc-8.2.1], sources: [hvr-ghc]}}
 
 before_install:
+ - HC=${CC}
+ - HCPKG=${HC/ghc/ghc-pkg}
  - unset CC
- - export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH
+ - PATH=/opt/ghc/bin:/opt/ghc-ppa-tools/bin:$PATH
+ - PKGNAME='hjsonpointer'
 
 install:
  - cabal --version
- - echo "$(ghc --version) [$(ghc --print-project-git-commit-id 2> /dev/null || echo '?')]"
- - if [ -f $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz ];
-   then
-     zcat $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz >
-          $HOME/.cabal/packages/hackage.haskell.org/00-index.tar;
-   fi
+ - echo "$(${HC} --version) [$(${HC} --print-project-git-commit-id 2> /dev/null || echo '?')]"
+ - BENCH=${BENCH---enable-benchmarks}
+ - TEST=${TEST---enable-tests}
+ - HADDOCK=${HADDOCK-true}
+ - INSTALLED=${INSTALLED-true}
  - travis_retry cabal update -v
- - sed -i 's/^jobs:/-- jobs:/' ${HOME}/.cabal/config
- - cabal install --only-dependencies --enable-tests --enable-benchmarks --dry -v > installplan.txt
- - sed -i -e '1,/^Resolving /d' installplan.txt; cat installplan.txt
-
-# check whether current requested install-plan matches cached package-db snapshot
- - if diff -u installplan.txt $HOME/.cabsnap/installplan.txt;
-   then
-     echo "cabal build-cache HIT";
-     rm -rfv .ghc;
-     cp -a $HOME/.cabsnap/ghc $HOME/.ghc;
-     cp -a $HOME/.cabsnap/lib $HOME/.cabsnap/share $HOME/.cabsnap/bin $HOME/.cabal/;
-   else
-     echo "cabal build-cache MISS";
-     rm -rf $HOME/.cabsnap;
-     mkdir -p $HOME/.ghc $HOME/.cabal/lib $HOME/.cabal/share $HOME/.cabal/bin;
-     cabal install --only-dependencies --enable-tests --enable-benchmarks;
-   fi
- 
-# snapshot package-db on cache miss
- - if [ ! -d $HOME/.cabsnap ];
-   then
-      echo "snapshotting package-db to build-cache";
-      mkdir $HOME/.cabsnap;
-      cp -a $HOME/.ghc $HOME/.cabsnap/ghc;
-      cp -a $HOME/.cabal/lib $HOME/.cabal/share $HOME/.cabal/bin installplan.txt $HOME/.cabsnap/;
-   fi
+ - sed -i.bak 's/^jobs:/-- jobs:/' ${HOME}/.cabal/config
+ - rm -fv cabal.project.local
+ - "echo 'packages: .' > cabal.project"
+ - rm -f cabal.project.freeze
+ - cabal new-build -w ${HC} ${TEST} ${BENCH} --dep -j2 all
+ - cabal new-build -w ${HC} --disable-tests --disable-benchmarks --dep -j2 all
 
 # Here starts the actual work to be performed for the package under test;
 # any command which exits with a non-zero exit code causes the build to fail.
 script:
  - if [ -f configure.ac ]; then autoreconf -i; fi
- - cabal configure --enable-tests --enable-benchmarks -v2  # -v2 provides useful information for debugging
- - cabal build   # this builds all libraries and executables (including tests/benchmarks)
- - cabal test
- - cabal sdist   # tests that a source-distribution can be generated
+ - rm -rf .ghc.environment.* dist/
+ - cabal sdist # test that a source-distribution can be generated
+ - cd dist/
+ - SRCTAR=(${PKGNAME}-*.tar.gz)
+ - SRC_BASENAME="${SRCTAR/%.tar.gz}"
+ - tar -xvf "./$SRC_BASENAME.tar.gz"
+ - cd "$SRC_BASENAME/"
+## from here on, CWD is inside the extracted source-tarball
+ - rm -fv cabal.project.local
+ - "echo 'packages: .' > cabal.project"
+ # this builds all libraries and executables (without tests/benchmarks)
+ - rm -f cabal.project.freeze
+ - cabal new-build -w ${HC} --disable-tests --disable-benchmarks all
+ # this builds all libraries and executables (including tests/benchmarks)
+ # - rm -rf ./dist-newstyle
 
-# Check that the resulting source distribution can be built & installed.
-# If there are no other `.tar.gz` files in `dist`, this can be even simpler:
-# `cabal install --force-reinstalls dist/*-*.tar.gz`
- - SRC_TGZ=$(cabal info . | awk '{print $2;exit}').tar.gz &&
-   (cd dist && cabal install --force-reinstalls "$SRC_TGZ")
+ # Build with installed constraints for packages in global-db
+ - if $INSTALLED; then
+     echo cabal new-build -w ${HC} --disable-tests --disable-benchmarks $(${HCPKG} list --global --simple-output --names-only | sed 's/\([a-zA-Z0-9-]\{1,\}\) */--constraint="\1 installed" /g') all | sh;
+   else echo "Not building with installed constraints"; fi
 
+ # build & run tests, build benchmarks
+ - cabal new-build -w ${HC} ${TEST} ${BENCH} all
+ - if [ "x$TEST" = "x--enable-tests" ]; then cabal new-test -w ${HC} ${TEST} all; fi
+
+ # haddock
+ - rm -rf ./dist-newstyle
+ - if $HADDOCK; then cabal new-haddock -w ${HC} --disable-tests --disable-benchmarks all; else echo "Skipping haddock generation";fi
+
+# REGENDATA ["hjsonpointer.cabal"]
 # EOF
diff --git a/changelog.md b/changelog.md
index e5953be..ea29957 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,7 @@
+# 1.3.0
+
++ Test with GHC 8.2. Drop GHC 7.8.
+
 # 1.2.0
 
 + Track upper bounds in a Hackage revision instead of source code.
diff --git a/hjsonpointer.cabal b/hjsonpointer.cabal
index 4258849..9de190e 100644
--- a/hjsonpointer.cabal
+++ b/hjsonpointer.cabal
@@ -1,5 +1,5 @@
 name:               hjsonpointer
-version:            1.2.0
+version:            1.3.0
 synopsis:           JSON Pointer library
 homepage:           https://github.com/seagreen/hjsonpointer
 license:            MIT
@@ -9,6 +9,8 @@ maintainer:         ian@housejeffries.com
 category:           Data
 build-type:         Simple
 cabal-version:      >=1.10
+-- Rerun multi-ghc-travis (executable make-travis-yml-2) after changing:
+Tested-With:        GHC == 7.10.3, GHC == 8.0.1, GHC == 8.2.1
 extra-source-files:
   changelog.md
   README.md
@@ -22,7 +24,7 @@ library
   exposed-modules:
     JSONPointer
   build-depends:
-      base                 >= 4.6 && < 4.10
+      base                 >= 4.6 && < 4.11
     , aeson                >= 0.7
     , hashable             >= 1.2
     , QuickCheck           >= 2.8
@@ -54,7 +56,3 @@ test-suite unit
     , unordered-containers
     , text
     , vector
-
-source-repository head
-  type: git
-  location: git://github.com/seagreen/hjsonpointer.git
diff --git a/shell.nix b/shell.nix
index 1a8c29c..d91528a 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,3 +1,4 @@
+{ghc}:
 with (import <nixpkgs> {});
 
 haskell.lib.buildStackProject {
diff --git a/src/JSONPointer.hs b/src/JSONPointer.hs
index c03f46f..6b374f2 100644
--- a/src/JSONPointer.hs
+++ b/src/JSONPointer.hs
@@ -16,11 +16,6 @@ import           GHC.Generics        (Generic)
 import           Test.QuickCheck
 import           Text.Read           (readMaybe)
 
--- For GHCs before 7.10:
-import           Control.Applicative
-import           Data.Monoid
-import           Data.Traversable
-
 --------------------------------------------------
 -- * Resolution
 --------------------------------------------------
@@ -112,7 +107,7 @@ unescape txt =
 --------------------------------------------------
 -- * Wrapper Types
 --
--- These aren't used by the rest of the library
+-- $ These aren't used by the rest of the library
 -- (as explained in the docs for 'Token').
 --
 -- However, they might be useful if you need to distinguish JSON Pointer
diff --git a/stack.yaml b/stack.yaml
index a8b55b3..a16bc89 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,7 +1,2 @@
-resolver: lts-8.20
-extra-deps:
-  - QuickCheck-2.10.0.1
+resolver: nightly-2017-09-18
 pvp-bounds: upper-revision
-nix:
-  enable: true
-  shell-file: shell.nix
diff --git a/test/Unit.hs b/test/Unit.hs
index 48bd6fd..d392685 100644
--- a/test/Unit.hs
+++ b/test/Unit.hs
@@ -1,11 +1,13 @@
 
 module Main where
 
-import           Control.Arrow
 import           Data.Aeson
+import           Data.Bifunctor         (first)
+import           Data.Foldable
+import           Data.Monoid
 import           Data.Text              (Text)
 import qualified Data.Text              as T
-import           Data.Text.Encoding
+import           Data.Text.Encoding     (decodeUtf8, encodeUtf8)
 import qualified Data.Vector            as V
 import qualified JSONPointer            as JP
 import           Network.HTTP.Types.URI (urlDecode)
@@ -13,11 +15,6 @@ import           Network.HTTP.Types.URI (urlDecode)
 import           Test.Hspec
 import           Test.QuickCheck        (property)
 
--- For GHCs before 7.10:
-import           Control.Applicative
-import           Data.Foldable
-import           Data.Monoid
-
 import qualified Example
 
 main :: IO ()