From 33fb9393741ce53c9b12ced09fad5eb029cb7c47 Mon Sep 17 00:00:00 2001
From: Alexey Zabelin <hello@alexeyzabelin.com>
Date: Tue, 21 May 2019 08:27:13 -0700
Subject: [PATCH] Add prettyprinter upper bound, #4568

---
 build-constraints.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 25f97c3f..c9b3009a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4619,6 +4619,8 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4564
         - primitive < 0.7.0.0
 
+        # https://github.com/commercialhaskell/stackage/issues/4568
+        - prettyprinter < 1.3.0
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of