From 3f0233099e14ae56dc782eb5cbeb35e0d30b3266 Mon Sep 17 00:00:00 2001
From: Alexey Zabelin <hello@alexeyzabelin.com>
Date: Mon, 6 Aug 2018 21:18:26 -0400
Subject: [PATCH] Upper bounds for vinyl, backprop, #3889

---
 build-constraints.yaml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 635e8eb5..0e9c66e8 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3652,7 +3652,8 @@ packages:
         - pretty-show < 1.8
 
         # https://github.com/commercialhaskell/stackage/issues/3889
-        - vinyl < 0.9.1
+        - vinyl < 0.9.0
+        - backprop < 0.2.6
 
 # end of packages