From a35be3ad0093fb33c5d278b893b19e8cc0e6a6db Mon Sep 17 00:00:00 2001
From: Mihai Maruseac <mihai.maruseac@gmail.com>
Date: Fri, 12 May 2017 20:14:37 -0400
Subject: [PATCH] Bounds for #2507

---
 build-constraints.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index b408e80d..59b98935 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3167,7 +3167,7 @@ packages:
         - one-liner < 0.9
 
         # https://github.com/fpco/stackage/issues/2507
-        - concurrent-output < 1.9
+        - concurrent-output < 1.8
 
 # end of packages