From 57abb3e4f7a626795bf7a1abd17d3f9a78a748bd Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Thu, 12 May 2016 18:22:37 +0300
Subject: [PATCH] Specific constraint on Win32 yesodweb/yesod#1231

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 23478c55..95216d47 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2269,6 +2269,9 @@ packages:
         - hw-rankselect < 0.0.0.3
         - hw-prim < 0.0.0.11
 
+        # Need to always match the version shipped with GHC
+        - Win32 == 2.3.1.0
+
 # end of packages