From 07e4e0a7f5dfe39f595f9c620cd0248517873e2d Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Thu, 20 Sep 2018 17:44:10 +0300
Subject: [PATCH] Extra upper bound for #3955

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index a7e34000..07fa356c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3739,6 +3739,7 @@ packages:
         - neat-interpolation < 0.3.2.3
         - mmark < 0.0.6.0
         - mmark-cli < 0.0.4.0
+        - versions < 3.5
 
         # https://github.com/commercialhaskell/stackage/issues/3972
         - ghc-typelits-extra < 0.3