From 6f3069a60303988eceb38983632fcdeb38155cbc Mon Sep 17 00:00:00 2001
From: Andreas Abel <andreas.abel@ifi.lmu.de>
Date: Sat, 17 Jun 2023 22:01:26 +0200
Subject: [PATCH] Fix happy constraints, allowing 1.20.1.1 (re #6857)

Only 1.20.1 and 1.21.0 should be excluded (these are deprecated).
---
 build-constraints.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index ebcbb0942..f0dc7e01a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -90,7 +90,7 @@ packages:
         - Sit
 
         - alex > 3.2.7
-        - happy < 1.20.1 || > 1.21.0
+        - happy < 1.20.1 || >= 1.20.1.1 && < 1.21 || > 1.21.0
         - haskell-src
         - ListLike
         - MissingH