From d236c345fcacef44f3af88c3ac0cf52fcb59d5ec Mon Sep 17 00:00:00 2001
From: Alexey Zabelin <hello@alexeyzabelin.com>
Date: Sun, 26 May 2019 13:03:07 -0700
Subject: [PATCH] Upper bound for rattletrap, #4585

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 12c9d197..ba055868 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4642,6 +4642,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4580
         - http-api-data < 0.4.1
 
+        # https://github.com/commercialhaskell/stackage/issues/4585
+        - rattletrap < 7
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of