From a52e7a2b9e851b47c3d6273043fa95009376c89e Mon Sep 17 00:00:00 2001
From: Alexey Zabelin <hello@alexeyzabelin.com>
Date: Tue, 3 Feb 2026 14:48:53 -0800
Subject: [PATCH] Add upper-bound for json-spec, #7940

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 292447eb..7e687160 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7879,6 +7879,9 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/7939
         - fixed-vector < 2.1
+
+        # https://github.com/commercialhaskell/stackage/issues/7940
+        - json-spec < 1.2
     # end of Stackage upper bounds
 # end of packages