From: Ole Streicher <olebole@debian.org>
Date: Thu, 25 Jul 2024 13:56:29 +0200
Subject: Allow older matplotlib when building docs

3.9.1 is still not available on Debian.
---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 5e7ce06..c202060 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -122,7 +122,7 @@ docs = [
     "pytest>=7.0",
     "sphinx_design",
     "Jinja2>=3.1.3",
-    "matplotlib>=3.9.1",  # https://github.com/matplotlib/matplotlib/issues/28234
+    "matplotlib",  # https://github.com/matplotlib/matplotlib/issues/28234
 ]
 # These group together all the dependencies needed for developing in Astropy.
 dev = [