From 400a2abb3e0b476ab468c257b5962c568b61607d Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Thu, 26 Jul 2018 06:42:16 +0300
Subject: [PATCH] Upper bounds for #3858

---
 build-constraints.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index d37b8c5e..e205af88 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3615,6 +3615,11 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/3856
         - dhall < 1.16
 
+        # https://github.com/commercialhaskell/stackage/issues/3858
+        - focus < 0.2
+        - stm-containers < 1
+        - slave-thread < 1.0.2.1
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of