From 039676e26e67b017f3373bdf2e34b2652ff93c98 Mon Sep 17 00:00:00 2001
From: Dan Burton <danburton.email@gmail.com>
Date: Wed, 17 Nov 2021 18:09:55 -0500
Subject: [PATCH] constrain lens per #6310

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index f9da96f2..f952d100 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6811,6 +6811,9 @@ packages:
       - polysemy < 1.7
       - polysemy-plugin < 0.4.2
 
+      # https://github.com/commercialhaskell/stackage/issues/6310
+      - lens < 5.1
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of