From b2426a5653ba367185a582fd8e9c811403561eb6 Mon Sep 17 00:00:00 2001
From: Jens Petersen <juhpetersen@gmail.com>
Date: Sun, 17 Aug 2025 13:15:43 +0800
Subject: [PATCH] keep happy at 2.1.6 until happy-lib-2.1.7 is released
 (haskell/happy#343)

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 143bdc8c..3d9aff62 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5325,7 +5325,7 @@ packages:
 
     "Sebastian Graf <sgraf1337@gmail.com> @sgraf812":
         - happy-lib
-        - happy
+        - happy < 2.1.7 # https://github.com/haskell/happy/issues/343
 
     "Max Ulidtko <ulidtko@gmail.com> @ulidtko":
         - cabal-doctest