From fa73e85767c2dbc1ab537a55c4fc40047b9acb9c Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Sun, 31 Dec 2017 17:08:38 +0200
Subject: [PATCH] Extra upper bound for #3153

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2ef68325..584a469e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3165,6 +3165,7 @@ packages:
 
         # https://github.com/fpco/stackage/issues/3153
         - megaparsec < 6.4
+        - mmark < 0.0.4.1
 
 # end of packages