From 9e98b553adbf3e4c1b4de21f2344b7d87118ff10 Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Tue, 13 Sep 2016 16:59:23 +0300
Subject: [PATCH] Upper bound clckwrks/clckwrks#4

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0d5e7092..065a6e40 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2553,6 +2553,9 @@ packages:
         # https://github.com/fpco/stackage/issues/1863
         - newtype-generics < 0.4
         - MemoTrie < 0.6.5
+
+        # https://github.com/clckwrks/clckwrks/issues/4
+        - clckwrks < 0.23.19
 # end of packages