From a6c510cf3457ff26d4fd24cf14e8b1faa3060f51 Mon Sep 17 00:00:00 2001
From: Jens Petersen <juhpetersen@gmail.com>
Date: Tue, 4 Oct 2016 11:52:58 +0900
Subject: [PATCH] megaparsec < 5.1.0 (#1959)

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index ae6aeea2..418e5bde 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2574,6 +2574,8 @@ packages:
         - hw-prim ==0.1.0.3
         - hw-bits ==0.1.0.1
 
+        # https://github.com/fpco/stackage/issues/1959
+        - megaparsec < 5.1.0
 # end of packages