diff --git a/.gitignore b/.gitignore
index bc59470..e47111f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@
 /libavif-0.9.3.tar.gz
 /libavif-0.10.1.tar.gz
 /libavif-0.11.1.tar.gz
+/libavif-1.0.3.tar.gz
diff --git a/libavif-0.11.1-build_tests_fix.patch b/libavif-0.11.1-build_tests_fix.patch
deleted file mode 100644
index 102b606..0000000
--- a/libavif-0.11.1-build_tests_fix.patch
+++ /dev/null
@@ -1,37 +0,0 @@
-From e279707a001c8f95f8a2bc51c0d19bf35bfc79ab Mon Sep 17 00:00:00 2001
-From: Wan-Teh Chang <wtc@google.com>
-Date: Fri, 11 Nov 2022 14:08:33 -0800
-Subject: [PATCH] Build aviftest_helpers for are_images_equal.cc
-
-If are_images_equal.cc is built, enable CXX and build the
-aviftest_helpers library.
-
-Fix the build failure when -DAVIF_BUILD_APPS=ON -DAVIF_BUILD_TESTS=ON
--DAVIF_ENABLE_GTEST=OFF is passed to the cmake command.
-
-diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
-index 5af7ea560..632ba7a71 100644
---- a/tests/CMakeLists.txt
-+++ b/tests/CMakeLists.txt
-@@ -39,15 +39,17 @@ foreach(AVIFYUV_MODE limited rgb) # Modes drift and premultiply take more than 2
-     add_test(NAME avifyuv_${AVIFYUV_MODE} COMMAND avifyuv -m ${AVIFYUV_MODE})
- endforeach()
- 
--################################################################################
--# GoogleTest
--
--if(AVIF_ENABLE_GTEST)
-+if(AVIF_ENABLE_GTEST OR AVIF_BUILD_APPS)
-     enable_language(CXX)
-     set(CMAKE_CXX_STANDARD 11)
-     add_library(aviftest_helpers OBJECT gtest/aviftest_helpers.cc)
-     target_link_libraries(aviftest_helpers avif_apps)
-+endif()
- 
-+################################################################################
-+# GoogleTest
-+
-+if(AVIF_ENABLE_GTEST)
-     if(AVIF_LOCAL_GTEST)
-         set(GTEST_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/ext/googletest/googletest/include)
-         set(GTEST_LIBRARIES
diff --git a/libavif.spec b/libavif.spec
index b2e2daf..0ba487f 100644
--- a/libavif.spec
+++ b/libavif.spec
@@ -15,14 +15,13 @@
 %bcond_without check
 
 Name:           libavif
-Version:        0.11.1
+Version:        1.0.3
 Release:        %autorelease
 Summary:        Library for encoding and decoding .avif files
 
 License:        BSD-2-Clause
 URL:            https://github.com/AOMediaCodec/libavif
 Source0:        %{url}/archive/v%{version}/%{name}-%{version}.tar.gz
-Patch0:         libavif-0.11.1-build_tests_fix.patch
 
 BuildRequires:  cmake
 BuildRequires:  gcc-c++
@@ -96,7 +95,7 @@ Avif-pixbuf-loader contains a plugin to load AVIF images in GTK+ applications.
 %files
 %license LICENSE
 # Do not glob the soname
-%{_libdir}/libavif.so.15*
+%{_libdir}/libavif.so.16*
 %{_datadir}/thumbnailers/avif.thumbnailer
 
 %files devel
diff --git a/sources b/sources
index c25654b..c738fbf 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libavif-0.11.1.tar.gz) = 4a9e2711fccddf35c477db6e2fa2f76c0648aafaa98b4e3f34df62c0fbd02ddcd57762f1f8149822da4f1bc3757ee75ec1d9ced5e56a54dbe9d0b43265aacd4c
+SHA512 (libavif-1.0.3.tar.gz) = b713f35fd3e54e105e16f46012becdada86f522b4ed8ab7097a93fd437524b4f2c997c42d6f06828f93b53253b1d90302417afdb0bd8e09d176f64f19c7a0faa