From 9bc46a1c4deda16148bf2482e6aaa8024530e081 Mon Sep 17 00:00:00 2001
From: Chris Dornan <chris@chrisdornan.com>
Date: Sun, 21 Oct 2018 12:38:56 +0100
Subject: [PATCH] generics-sop < 0.4.0.0

---
 build-constraints.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index c6f8f26e..34af39bc 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4465,6 +4465,8 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4056
         - postgresql-simple < 0.6
 
+        - generics-sop < 0.4.0.0
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of