From ac5788a981bc90adfb4355e7f78991d6463925a3 Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Tue, 24 Jan 2017 22:12:24 +0200
Subject: [PATCH] Upper bound for #2231

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 1490844a..5e777268 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2785,6 +2785,9 @@ packages:
         - hspec-core < 2.4
         - hspec-discover < 2.4
 
+        # https://github.com/fpco/stackage/issues/2231
+        - vty < 5.15
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of