From ecd8a856627b72a74ce4591502141bebcf46cf70 Mon Sep 17 00:00:00 2001
From: Mihai Maruseac <mihai.maruseac@gmail.com>
Date: Fri, 12 Mar 2021 18:54:36 -0800
Subject: [PATCH] Upper bound `singleton-nats` (#5923)

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5a324405..9897b729 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6889,6 +6889,9 @@ packages:
 
       # https://github.com/commercialhaskell/stackage/issues/5922
       - eliminators < 0.8
+
+      # https://github.com/commercialhaskell/stackage/issues/5923
+      - singleton-nats < 0.4.6
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of