From 5c48a6b49fd8c3f0c6b2f959765d3a9f8a523369 Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Mon, 12 Sep 2016 07:47:04 +0300
Subject: [PATCH] Upper bound for #1863

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 08d4f8d5..315acef7 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2565,6 +2565,9 @@ packages:
 
         # https://github.com/agocorona/transient-universe/issues/15
         - transient < 0.4.4
+
+        # https://github.com/fpco/stackage/issues/1863
+        - newtype-generics < 0.4
 # end of packages