From 673ad03fdc8518044df60c40ff090744fb983c8b Mon Sep 17 00:00:00 2001
From: Dan Burton <danburton.email@gmail.com>
Date: Fri, 28 Jul 2017 16:17:29 -0700
Subject: [PATCH] Add constraint "semigroupoids < 5.2.1" per #2686

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index c35ac50c..93dccdbd 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3274,6 +3274,9 @@ packages:
         # https://github.com/fpco/stackage/issues/2682
         - turtle < 1.4
 
+        # https://github.com/fpco/stackage/issues/2686
+        - semigroupoids < 5.2.1
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of