From c1e749dd8ea66956de475c67196dce9697f532bc Mon Sep 17 00:00:00 2001
From: Mihai Maruseac <mihai.maruseac@gmail.com>
Date: Thu, 29 Nov 2018 16:58:08 -0800
Subject: [PATCH] Upper bound chan due to #4188

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9de5a478..899c208e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3871,6 +3871,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4182
         - pandoc < 2.5
 
+        # https://github.com/commercialhaskell/stackage/issues/4188
+        - chan < 0.0.4
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of