From ea5c5956dd22057b79f8e517bffbafe21654adc6 Mon Sep 17 00:00:00 2001
From: Mihai Maruseac <mihai.maruseac@gmail.com>
Date: Sat, 23 Mar 2019 20:19:41 -0700
Subject: [PATCH] Upper bound concurrency due to #4443

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index f72a2cc1..39000fa6 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4499,6 +4499,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4441
         - checkers < 0.5.0
 
+        # https://github.com/commercialhaskell/stackage/issues/4443
+        - concurrency < 1.7
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of