From 9ee537b5d3cd564ecd1f7368f0f95f9dde7f817f Mon Sep 17 00:00:00 2001
From: Jens Petersen <juhpetersen@gmail.com>
Date: Sat, 23 Apr 2016 23:21:59 +0900
Subject: [PATCH] Diff-0.3.4 (#1380)

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index fa06dd38..e6bd5fdf 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2206,6 +2206,9 @@ packages:
 
         # https://github.com/fpco/stackage/issues/1371
         - data-default < 0.6.0
+
+        # https://github.com/fpco/stackage/issues/1380
+        - Diff < 0.3.4
 # end of packages