diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index f1c41a7f8..26137c8c7 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -11,7 +11,7 @@ repos:
 
 # C++
 -   repo: https://github.com/pre-commit/mirrors-clang-format
-    rev: v18.1.5
+    rev: v18.1.6
     hooks:
     -   id: clang-format
 
diff --git a/README.md b/README.md
index 26bf1c910..3d3ea8025 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,10 @@ Linux/Mac: [![CI](https://github.com/RainerKuemmerle/g2o/actions/workflows/ci.ym
 Windows: [![win64](https://github.com/RainerKuemmerle/g2o/actions/workflows/windows.yml/badge.svg?branch=master)](https://github.com/RainerKuemmerle/g2o/actions/workflows/windows.yml)
 [![Codacy Badge](https://app.codacy.com/project/badge/Grade/280c5eed95ed4059ad5d003d59e72704)](https://app.codacy.com/gh/RainerKuemmerle/g2o/dashboard?utm_source=gh&utm_medium=referral&utm_content=&utm_campaign=Badge_grade) [![pre-commit](https://img.shields.io/badge/pre--commit-enabled-brightgreen?logo=pre-commit)](https://github.com/pre-commit/pre-commit)
 
+<p align="center">
+    <img alt="g2o logo" width="250" src="doc/pics/g2o-logo.svg">
+</p>
+
 g2o is an open-source C++ framework for optimizing graph-based nonlinear error
 functions. g2o has been designed to be easily extensible to a wide range of
 problems and a new problem typically can be specified in a few lines of code.
diff --git a/unit_test/CMakeLists.txt b/unit_test/CMakeLists.txt
index 7d68b73e2..458f97156 100644
--- a/unit_test/CMakeLists.txt
+++ b/unit_test/CMakeLists.txt
@@ -6,6 +6,8 @@ FetchContent_Declare(
 )
 # For Windows: Prevent overriding the parent project's compiler/linker settings
 set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+# Prevent installing gtest/gmock
+set(INSTALL_GTEST OFF CACHE BOOL "" FORCE)
 FetchContent_MakeAvailable(googletest)
 
 set(UNITTEST_BASE_DIR "${CMAKE_CURRENT_LIST_DIR}")