From 45f19cdf462020706fdbad4b4190ae16429d4420 Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Thu, 27 Jul 2017 14:20:52 +0300
Subject: [PATCH] Upper bound for #2663

---
 build-constraints.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 68ff3e7c..c569ccde 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3333,6 +3333,9 @@ packages:
         # https://github.com/fpco/stackage/issues/2661
         - servant-docs < 0.11
 
+        # https://github.com/fpco/stackage/issues/2663
+        - doctest < 0.12
+
         # https://github.com/fpco/stackage/issues/2666
         - megaparsec < 6.0
 # end of packages