From 54cbead18420bc9289e894086940bcacc52e53d3 Mon Sep 17 00:00:00 2001
From: Dan Burton <danburton.email@gmail.com>
Date: Tue, 7 Feb 2023 09:48:39 -0800
Subject: [PATCH] happy-1.20.1 bad

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4f01d5f9..fb713411 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -811,7 +811,7 @@ packages:
         - foreign-store
         - formatting
         - gtk2hs-buildtools
-        - happy < 1.21.0 || > 1.21.0
+        - happy < 1.20.1 || > 1.21.0
         - hybrid-vectors
         - indents
         - language-c