From 2f413e1a7ef8b5c1a75c82b2aafd37c269a9bd88 Mon Sep 17 00:00:00 2001
From: Mihai Maruseac <mihai.maruseac@gmail.com>
Date: Sun, 10 Jun 2018 09:37:10 -0700
Subject: [PATCH] Upper bound aeson (#3728)

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 1a737ced..bdd3fc0c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3528,6 +3528,9 @@ packages:
         - hledger-web < 1.9.2
         - hledger-api < 1.9.1
         - hledger-interest < 1.5.2
+
+        # https://github.com/commercialhaskell/stackage/issues/3728
+        - aeson < 1.4
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of