From b38b6eb30d43ea7fff80b6ac71f1e66625cda348 Mon Sep 17 00:00:00 2001
From: Adam Bergmark <adam@bergmark.nl>
Date: Sat, 16 Jan 2016 23:46:48 +0100
Subject: [PATCH] Upper bound for #1149

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index e66ba947..0899da69 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1934,6 +1934,9 @@ packages:
         # https://github.com/fpco/stackage/issues/1148
         - contravariant < 1.4
 
+        # https://github.com/fpco/stackage/issues/1149
+        - bifunctors < 5.2
+
 # end of packages