From b4440958b484514045e36cb8da337e95e38ee98e Mon Sep 17 00:00:00 2001
From: Jens Petersen <juhpetersen@gmail.com>
Date: Wed, 27 Jan 2016 14:18:53 +0900
Subject: [PATCH] bifunctors-5.2.1 bound (#1146)

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0f696d7c..09d3393c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1934,6 +1934,7 @@ packages:
 
         # https://github.com/fpco/stackage/issues/1146
         - transformers-compat < 0.5
+        - bifunctors < 5.2.1
 
         # https://github.com/fpco/stackage/issues/1147
         - comonad < 4.3