diff --git a/.gitignore b/.gitignore
index 2577310..6f45de5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 /google-benchmark-1.5.5.tar.gz
 /google-benchmark-1.5.6.tar.gz
 /google-benchmark-1.6.0.tar.gz
+/google-benchmark-1.6.1.tar.gz
diff --git a/google-benchmark-docs-installation.patch b/google-benchmark-docs-installation.patch
deleted file mode 100644
index a8fb580..0000000
--- a/google-benchmark-docs-installation.patch
+++ /dev/null
@@ -1,46 +0,0 @@
-From 1bd8098d3d5b7aa8e305e57b2451ab8f98a58965 Mon Sep 17 00:00:00 2001
-From: Vitaly Zaitsev <vitaly@easycoding.org>
-Date: Wed, 8 Sep 2021 19:40:25 +0200
-Subject: [PATCH] Optimized docs installation (#1225)
-
-* Use GNUInstallDirs to install docs.
-
-Signed-off-by: Vitaly Zaitsev <vitaly@easycoding.org>
-
-* Added an option to disable docs installation.
-
-Signed-off-by: Vitaly Zaitsev <vitaly@easycoding.org>
----
- CMakeLists.txt     | 1 +
- src/CMakeLists.txt | 8 +++++---
- 2 files changed, 6 insertions(+), 3 deletions(-)
-
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 49f2ae2a0..d32dbd83d 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -25,6 +25,7 @@ else()
-   set(BENCHMARK_BUILD_32_BITS OFF CACHE BOOL "Build a 32 bit version of the library - unsupported when using MSVC)" FORCE)
- endif()
- option(BENCHMARK_ENABLE_INSTALL "Enable installation of benchmark. (Projects embedding benchmark may want to turn this OFF.)" ON)
-+option(BENCHMARK_INSTALL_DOCS "Enable installation of documentation." ON)
- 
- # Allow unmet dependencies to be met using CMake's ExternalProject mechanics, which
- # may require downloading the source code.
-diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
-index 1df8a4aa8..19ff8857a 100644
---- a/src/CMakeLists.txt
-+++ b/src/CMakeLists.txt
-@@ -118,7 +118,9 @@ if (BENCHMARK_ENABLE_INSTALL)
-       NAMESPACE "${namespace}"
-       DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
- 
--  install(
--    DIRECTORY "${PROJECT_SOURCE_DIR}/docs/"
--    DESTINATION "${CMAKE_INSTALL_PREFIX}/share/doc/${PROJECT_NAME}")
-+  if (BENCHMARK_INSTALL_DOCS)
-+    install(
-+      DIRECTORY "${PROJECT_SOURCE_DIR}/docs/"
-+      DESTINATION "${CMAKE_INSTALL_DOCDIR}")
-+  endif()
- endif()
diff --git a/google-benchmark-packaged-gtest.patch b/google-benchmark-packaged-gtest.patch
deleted file mode 100644
index 63b4f4c..0000000
--- a/google-benchmark-packaged-gtest.patch
+++ /dev/null
@@ -1,31 +0,0 @@
-From e8619813072f8eb7cf2d0e30b331c791405f5fef Mon Sep 17 00:00:00 2001
-From: Vitaly Zaitsev <vitaly@easycoding.org>
-Date: Wed, 8 Sep 2021 19:41:07 +0200
-Subject: [PATCH] Added support of packaged GTest for running unit tests.
-
-Signed-off-by: Vitaly Zaitsev <vitaly@easycoding.org>
----
- CMakeLists.txt | 10 +++++++++-
- 1 file changed, 9 insertions(+), 1 deletion(-)
-
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 49f2ae2a0..0570d050d 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -307,7 +307,15 @@ if (BENCHMARK_ENABLE_TESTING)
-   if (BENCHMARK_ENABLE_GTEST_TESTS AND
-       NOT (TARGET gtest AND TARGET gtest_main AND
-            TARGET gmock AND TARGET gmock_main))
--    include(GoogleTest)
-+    find_package(GTest QUIET)
-+    if (GTEST_FOUND)
-+      add_library(gtest ALIAS GTest::gtest)
-+      add_library(gtest_main ALIAS GTest::gtest_main)
-+      add_library(gmock ALIAS GTest::gmock)
-+      add_library(gmock_main ALIAS GTest::gmock_main)
-+    else()
-+      include(GoogleTest)
-+    endif()
-   endif()
-   add_subdirectory(test)
- endif()
diff --git a/google-benchmark.spec b/google-benchmark.spec
index eaaf258..096c866 100644
--- a/google-benchmark.spec
+++ b/google-benchmark.spec
@@ -4,7 +4,7 @@
 %global lbname lib%{intname}
 
 Name: google-benchmark
-Version: 1.6.0
+Version: 1.6.1
 Release: 1%{?dist}
 
 License: ASL 2.0
@@ -12,17 +12,12 @@ Summary: A microbenchmark support library
 URL: https://github.com/google/%{intname}
 Source0: %{url}/archive/v%{version}/%{name}-%{version}.tar.gz
 
-# https://github.com/google/benchmark/pull/1226
-Patch100: %{name}-packaged-gtest.patch
-
-# https://github.com/google/benchmark/pull/1225
-Patch101: %{name}-docs-installation.patch
-
 BuildRequires: gtest-devel
 BuildRequires: gmock-devel
 BuildRequires: ninja-build
 BuildRequires: gcc-c++
 BuildRequires: cmake
+BuildRequires: doxygen
 BuildRequires: gcc
 
 %description
@@ -51,7 +46,9 @@ sed -e '/get_git_version/d' -e '/-Werror/d' -i CMakeLists.txt
 %cmake -G Ninja \
     -DCMAKE_BUILD_TYPE=Release \
     -DGIT_VERSION=%{version} \
+    -DBENCHMARK_ENABLE_DOXYGEN:BOOL=ON \
     -DBENCHMARK_ENABLE_TESTING:BOOL=ON \
+    -DBENCHMARK_USE_BUNDLED_GTEST:BOOL=OFF \
     -DBENCHMARK_ENABLE_GTEST_TESTS:BOOL=ON \
     -DBENCHMARK_ENABLE_INSTALL:BOOL=ON \
     -DBENCHMARK_INSTALL_DOCS:BOOL=ON \
@@ -79,6 +76,9 @@ sed -e '/get_git_version/d' -e '/-Werror/d' -i CMakeLists.txt
 %{_docdir}/%{intname}/
 
 %changelog
+* Thu Jan 13 2022 Vitaly Zaitsev <vitaly@easycoding.org> - 1.6.1-1
+- Updated to version 1.6.1.
+
 * Sun Sep 12 2021 Vitaly Zaitsev <vitaly@easycoding.org> - 1.6.0-1
 - Updated to version 1.6.0.
 
diff --git a/sources b/sources
index 831d113..09d9e10 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (google-benchmark-1.6.0.tar.gz) = 83788f64322067cedca4e459dd2b4117a80d3dc480e1ce0a4d9c323827e13cb1969889a6049cd487dc28ecb0ff52c868a73492c738283ee1236e527b0ca8b11d
+SHA512 (google-benchmark-1.6.1.tar.gz) = 7d3e3baf5a2d92e9552ab5007c37253b3510ac269edf8922a2794ff3dfbd0bf5b4c519240d4577b1ec30ef9e8a64caa17a809054c3dc7f2b1bcd410596177d67