diff --git a/.gitignore b/.gitignore
index 327a370..caf9235 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,4 +6,3 @@
 /urdfdom_headers-1.0.2.tar.gz
 /urdfdom_headers-1.0.5.tar.gz
 /urdfdom_headers-1.1.1.tar.gz
-/urdfdom_headers-1.1.2.tar.gz
diff --git a/sources b/sources
index be52e0a..c11127e 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (urdfdom_headers-1.1.2.tar.gz) = 5636865ab93e92dd99851a4e19b18552b51131a0fa39c83fd64aa020060237ae0c8bbfd361ddec5abcd4c2300d92c3e78da20e3b599c882ea148e82e9abc1603
+SHA512 (urdfdom_headers-1.1.1.tar.gz) = b0eed4da4d1f165ab33812c181000fa58f3d817703a0b8728a9d4b9f888eeed15d095072c16eb5779850e8a88984633345b444396c58bd79bedf7bf3eb6e16bc
diff --git a/urdfdom-headers-1.1.2-fedora.patch b/urdfdom-headers-1.1.1-fedora.patch
similarity index 95%
rename from urdfdom-headers-1.1.2-fedora.patch
rename to urdfdom-headers-1.1.1-fedora.patch
index 6864f49..a58e1cf 100644
--- a/urdfdom-headers-1.1.2-fedora.patch
+++ b/urdfdom-headers-1.1.1-fedora.patch
@@ -9,7 +9,7 @@ diff -up ./CMakeLists.txt.fedora ./CMakeLists.txt
 +  set(CMAKE_CONFIG_INSTALL_DIR ${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/cmake)
  endif()
  string(REGEX REPLACE "[^/]+" ".." RELATIVE_PATH_CMAKE_DIR_TO_PREFIX "${CMAKE_CONFIG_INSTALL_DIR}")
- string(REGEX REPLACE "[^/]+" ".." RELATIVE_PATH_LIBDIR_TO_PREFIX "${CMAKE_INSTALL_LIBDIR}")
+ 
 @@ -43,11 +43,12 @@ set(cmake_conf_version_file "${PROJECT_N
  # allow users of gazebo to specify the API or version to depend on
  # TODO: keep this instruction until deprecate Ubuntu/Precise and update with
diff --git a/urdfdom-headers.spec b/urdfdom-headers.spec
index 18413cb..937b404 100644
--- a/urdfdom-headers.spec
+++ b/urdfdom-headers.spec
@@ -1,21 +1,21 @@
 %global realname urdfdom_headers
 
 Name:		urdfdom-headers
-Version:	1.1.2
-Release:	5%{?dist}
+Version:	1.1.1
+Release:	2%{?dist}
 Summary:	The URDF (U-Robot Description Format) headers
 
-License:	BSD-3-Clause
+License:	BSD
 URL:		http://ros.org/wiki/urdf
 Source0:	https://github.com/ros/%{realname}/archive/%{version}/%{realname}-%{version}.tar.gz
 BuildArch:	noarch
 
 # Install configs to arch independent paths
 # https://github.com/ros/urdfdom_headers/issues/27
-Patch0:		urdfdom-headers-1.1.2-fedora.patch
+Patch0:         urdfdom-headers-1.1.1-fedora.patch
 
-BuildRequires:	gcc
-BuildRequires:	gcc-c++
+BuildRequires:  gcc
+BuildRequires:  gcc-c++
 BuildRequires:	cmake
 
 %description
@@ -52,25 +52,6 @@ http://ros.org/wiki/urdf
 %{_datadir}/%{realname}
 
 %changelog
-* Fri Jul 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.2-5
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild
-
-* Sat Jan 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.2-4
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild
-
-* Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.2-3
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
-
-* Sun Jan 19 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.2-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
-
-* Fri Jan 10 2025 Scott K Logan <logans@cottsay.net> - 1.1.2-1
-- Update to release 1.1.2
-- Review SPDX license identifier
-
-* Wed Sep 04 2024 Miroslav Suchý <msuchy@redhat.com> - 1.1.1-3
-- convert license to SPDX
-
 * Sat Jul 20 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild