From 54eba2076ec76038619e90860858ea8c72aed42b Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Sun, 12 Apr 2015 12:12:54 +0300
Subject: [PATCH] Upper bound for #531

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3ea76982..18077cf1 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -907,6 +907,9 @@ packages:
         # https://github.com/Happstack/happstack-server/issues/6
         - happstack-server < 7.4.3
 
+        # https://github.com/fpco/stackage/issues/531
+        - sbv < 4.3
+
 # Package flags are applied to individual packages, and override the values of
 # global-flags
 package-flags: