From caee7fce3032ac08c38a591de5e31f37eedf681f Mon Sep 17 00:00:00 2001
From: Ben Simms <ben@bensimms.moe>
Date: Wed, 2 Jun 2021 18:47:14 +0100
Subject: Update CONTRIBUTING.md (#1403)

---
 CONTRIBUTING.md | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1e1aeca6..af7a414f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -44,20 +44,17 @@ so that documentation built within GHC can benefit from it.
 
 #### Using `cabal`
 
-Requires cabal `>= 3.4` and GHC `== 9.0`:
+Requires cabal `>= 3.4` and the latest build of GHC:
+
+You can install the latest build of GHC via ghcup using this command:
 
 ```bash
-cabal v2-build all --enable-tests
-cabal v2-test all
+ghcup install ghc -u "https://gitlab.haskell.org/ghc/ghc/-/jobs/artifacts/master/raw/ghc-x86_64-deb9-linux-integer-simple.tar.xz?job=validate-x86_64-linux-deb9-integer-simple" head
 ```
 
-#### Using `stack`
-
 ```bash
-stack init
-stack build
-export HADDOCK_PATH="$(stack exec which haddock)"
-stack test
+cabal v2-build all --enable-tests
+cabal v2-test all
 ```
 
 ### Updating golden testsuite outputs
-- 
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