From 4bdb4e4b0d61a045bc8bcd66f63e6bd6e743d042 Mon Sep 17 00:00:00 2001
From: Adam Bergmark <adam@bergmark.nl>
Date: Sun, 8 Sep 2019 01:20:42 +0200
Subject: [PATCH] polysemy upper bound for #4811

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 27a43f02..4442da90 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4833,6 +4833,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4809
         - elm-street < 0.1.0.1
 
+        # https://github.com/commercialhaskell/stackage/issues/4811
+        - polysemy < 1.2.0.0
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of