From f9a087260bc564233513597f97510c1100b4113f Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Tue, 18 Aug 2015 08:12:16 +0300
Subject: [PATCH] Upper bound for #754

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index f4ac7755..197783cc 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1308,6 +1308,9 @@ packages:
         # https://github.com/fpco/stackage/issues/682
         - vector < 0.11
 
+        # https://github.com/fpco/stackage/issues/754
+        - messagepack < 0.5
+
 # Package flags are applied to individual packages, and override the values of
 # global-flags
 package-flags: