From d16a2caef0164c68648715226ee92522224d2bcb Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Mon, 12 Sep 2016 07:57:55 +0300
Subject: [PATCH] Extra upper bound for #1863

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 24aa8e9a..ede77f8e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2568,6 +2568,7 @@ packages:
 
         # https://github.com/fpco/stackage/issues/1863
         - newtype-generics < 0.4
+        - MemoTrie < 0.6.5
 
         # https://github.com/fpco/stackage/issues/1865
         - ansigraph < 0.3