diff --git a/backport-issue-11299-Regression-with-HTML_DYNAMIC_MENUS.patch b/backport-issue-11299-Regression-with-HTML_DYNAMIC_MENUS.patch
deleted file mode 100644
index c9ff3bd68b5d21f1e68af6e4939cda24f62b63b3..0000000000000000000000000000000000000000
--- a/backport-issue-11299-Regression-with-HTML_DYNAMIC_MENUS.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-From f46e21ed722193d74f56b2aa275a5cdc5e40b72b Mon Sep 17 00:00:00 2001
-From: Dimitri van Heesch <doxygen@gmail.com>
-Date: Mon, 30 Dec 2024 16:07:04 +0100
-Subject: [PATCH] issue #11299 Regression with HTML_DYNAMIC_MENUS = NO,
- DISABLE_INDEX = NO, and custom LAYOUT_FILE
-
----
- src/layout.h | 5 +++++
- 1 file changed, 5 insertions(+)
-
-diff --git a/src/layout.h b/src/layout.h
-index fc7917291b..247c24eb9c 100644
---- a/src/layout.h
-+++ b/src/layout.h
-@@ -232,6 +232,11 @@ struct LayoutNavEntry
-       std::swap(m_title,other.m_title);
-       std::swap(m_intro,other.m_intro);
-       std::swap(m_children,other.m_children);
-+      // reparent children
-+      for (auto &child : m_children)
-+      {
-+        child->m_parent = this;
-+      }
-     }
- 
-   private:
diff --git a/doxygen-1.13.0.src.tar.gz b/doxygen-1.13.1.src.tar.gz
similarity index 32%
rename from doxygen-1.13.0.src.tar.gz
rename to doxygen-1.13.1.src.tar.gz
index e35eb90f307cee1c8818030cf58d5cbc565d7d8e..ecb3e382f7885b0c4a56cd74faa97d36bb22263b 100644
--- a/doxygen-1.13.0.src.tar.gz
+++ b/doxygen-1.13.1.src.tar.gz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:99434f8130f68be4a4a817e540620aedf95c617c68cc73434de04207abaaae46
-size 8502031
+oid sha256:b593a17e9f7dd00c253d5bb18f05b84632136e89753b87fe366c858ea63f6e62
+size 8505582
diff --git a/doxygen.spec b/doxygen.spec
index 642dc9b1e014c865020fd83f66501d191051589e..574795ded718111a1f6fb0f6e500f91d5af9a497 100644
--- a/doxygen.spec
+++ b/doxygen.spec
@@ -4,15 +4,14 @@
 %global clang_support OFF
 Name:                doxygen
 Epoch:               1
-Version:             1.13.0
-Release:             2
+Version:             1.13.1
+Release:             1
 Summary:             A documentation system for C/C++
 License:             GPL-1.0-or-later
 Url:                 https://www.doxygen.nl
 Source0:             https://www.doxygen.nl/files/%{name}-%{version}.src.tar.gz
 Source1:             doxywizard.desktop
 Source2:             doxywizard-icons.tar.xz
-Patch6001:           backport-issue-11299-Regression-with-HTML_DYNAMIC_MENUS.patch
 
 BuildRequires:       python3 ImageMagick gcc-c++ gcc perl-interpreter
 BuildRequires:       python3-libxml2 texlive-bibtex sqlite-devel
@@ -98,6 +97,9 @@ desktop-file-install --dir=%{buildroot}%{_datadir}/applications %{S:1}
 %{_datadir}/icons/hicolor/*/apps/doxywizard.png
 
 %changelog
+* Fri Jan 03 2025 Funda Wang <fundawang@yeah.net> - 1:1.13.1-1
+- update to 1.13.1
+
 * Wed Jan 01 2025 Funda Wang <fundawang@yeah.net> - 1:1.13.0-2
 - backport fix for regression with HTML_DYNAMIC_MENUS = NO