From 1a9a206e401bbb030cd729d781b2dd78dbfba0b0 Mon Sep 17 00:00:00 2001
From: "P. L. Lim" <2090236+pllim@users.noreply.github.com>
Date: Tue, 6 Aug 2024 09:13:08 -0400
Subject: [PATCH] TST: Fix oldest deps pin

---
 tox.ini | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tox.ini b/tox.ini
index 5a33eef..bc842f8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -39,6 +39,7 @@ deps =
     oldestdeps: numpy==1.20.*
     oldestdeps: scipy==1.6.*
     oldestdeps: astropy==5.0.*
+    oldestdeps: attrs < 24.1.0  # ASDF_LT_3_4
     oldestdeps: asdf==2.14.*
     oldestdeps: synphot==1.1.*