From 97d3b4f5c5da6c4c6256ed87f5a03cdd715df822 Mon Sep 17 00:00:00 2001
From: Alexey Zabelin <hello@alexeyzabelin.com>
Date: Thu, 30 May 2019 21:55:30 -0700
Subject: [PATCH] Upper bound for polysemy, #4595

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 48303092..75ae9acf 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4655,6 +4655,9 @@ packages:
         - servant < 0.16.1
         - servant-server < 0.16.1
 
+        # https://github.com/commercialhaskell/stackage/issues/4595
+        - polysemy < 0.2.2
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of