From d393950b568b80d5feb1cf3a33ea1fa0571b80d9 Mon Sep 17 00:00:00 2001
From: "Micah D. Gale" <micah.gale@inl.gov>
Date: Tue, 10 Sep 2024 07:30:27 -0500
Subject: [PATCH] Updated changelog with #516.

---
 doc/source/changelog.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/source/changelog.rst b/doc/source/changelog.rst
index 530c536c..89e89561 100644
--- a/doc/source/changelog.rst
+++ b/doc/source/changelog.rst
@@ -4,6 +4,10 @@ MontePy Changelog
 #Next Version#
 --------------
 
+**Bug Fixes**
+
+* Fixed a bug where ``problem.materials.append_renumber`` would double add a material to ``problem.data_inputs`` (:issue:`516`).
+
 **Performance Improvement**
 
 * Fixed method of linking ``Material`` to ``ThermalScattering`` objects, avoiding a very expensive O(N:sup:`2`) (:issue:`510`).