From 45f88ad8dc87ab95904d54c7ffb92bab958abf41 Mon Sep 17 00:00:00 2001
From: Jens Petersen <juhpetersen@gmail.com>
Date: Sun, 9 Oct 2016 21:45:57 +0900
Subject: [PATCH] lens < 4.15 (#1972)

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 74bd5e9e..59c1ce31 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2595,6 +2595,9 @@ packages:
 
         # https://github.com/fpco/stackage/issues/1971
         - hspec-expectations < 0.8.0
+
+        # https://github.com/fpco/stackage/issues/1972
+        - lens < 4.15
 # end of packages