From d58e839321714709975766f8f9108aaa7686c557 Mon Sep 17 00:00:00 2001
From: Mihai Maruseac <mihai.maruseac@gmail.com>
Date: Fri, 18 Jan 2019 16:10:31 -0800
Subject: [PATCH] Add unordered-containers upper bound (#4309)

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 867b3a82..1da6e217 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3920,6 +3920,9 @@ packages:
         - hspec < 2.7.0
         - hspec-core < 2.7.0
         - hspec-discover < 2.7.0
+
+        # https://github.com/commercialhaskell/stackage/issues/4309
+        - unordered-containers < 0.2.10.0
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of