From 7179a65d61e53142762522548dae5613ab748f16 Mon Sep 17 00:00:00 2001
From: Mihai Maruseac <mihai.maruseac@gmail.com>
Date: Fri, 28 Sep 2018 06:57:33 -0700
Subject: [PATCH] Try 3, round 11

---
 build-constraints.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index e3c31dde..54328412 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4411,7 +4411,7 @@ packages:
         # th-desugar < 1.9
 
         # https://github.com/commercialhaskell/stackage/issues/3990
-        # stm < 2.5
+        - stm < 2.5
 
         # https://github.com/commercialhaskell/stackage/issues/4001
         # http-api-data < 0.3.9