From bb28865764841c1b62af5130f83bf487a3138853 Mon Sep 17 00:00:00 2001
From: Dan Burton <danburton.email@gmail.com>
Date: Fri, 8 Dec 2017 01:26:08 -0800
Subject: [PATCH] Revert "Unconstrain cassava per commercialhaskell/stack#3345"

This reverts commit 9cf5403e51e37f9f07c70d321b203bbb149be82d.
---
 build-constraints.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9e71afe7..08dab5e9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3064,6 +3064,9 @@ packages:
         # https://github.com/fpco/stackage/issues/2740
         - fgl < 5.6
 
+        # https://github.com/commercialhaskell/stack/issues/3345
+        - cassava < 0.5.1.0
+
         # https://github.com/fpco/stackage/issues/3044
         - either < 4.5 # Latest ATOW is either-5
         - rebase < 1.2