From 7092c55d02003360273f5d95c9b53aa014cbf3e2 Mon Sep 17 00:00:00 2001
From: Chris Dornan <chris@chrisdornan.com>
Date: Thu, 2 Feb 2023 15:21:11 +0000
Subject: [PATCH] doctest < 0.21.0

---
 build-constraints.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index fdc72f4b..91db8c69 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1121,7 +1121,7 @@ packages:
         - hspec-wai-json
         - aeson-qq
         - interpolate
-        - doctest
+        - doctest < 0.21.0      # https://github.com/commercialhaskell/stackage/issues/6875
         - base-compat
 
     "Mario Blazevic <blamario@protonmail.com> @blamario":