From b0b8b758c0ce9bdf5ac1efbffafc4b1812e1fe56 Mon Sep 17 00:00:00 2001
From: Mihai Maruseac <mihai.maruseac@gmail.com>
Date: Sun, 10 Jun 2018 10:55:51 -0700
Subject: [PATCH] Keep an old version of threepenny-gui (#3729)

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index ba2ffcea..440f9a84 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3532,6 +3532,9 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/3728
         - aeson < 1.4
+
+        # https://github.com/commercialhaskell/stackage/issues/3729
+        - threepenny-gui < 0.8.2.4
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of