diff --git a/.travis.yml b/.travis.yml
index a9623bb..ae171f1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -46,7 +46,7 @@ matrix:
                  -Dtest-utils_DIR:PATH=$(pwd)/build/submodules/test-utils
                  -DCMAKE_BUILD_TYPE:STRING=$BUILD_TYPE
                  -DCOVERAGE:BOOL=ON
-         - cmake --build build/tests/unit --target run-all-tests-verbose --config $BUILD_TYPE
+         - cmake --build build/tests/unit --target run-all-tests-verbose --config $BUILD_TYPE -- -j $(nproc)
 
          - bash <(curl -s https://codecov.io/bash)
 
@@ -79,7 +79,7 @@ matrix:
                  -Dtest-utils_DIR:PATH=$(pwd)/build/submodules/test-utils
                  -DCMAKE_BUILD_TYPE:STRING=$BUILD_TYPE
                  -DCOVERAGE:BOOL=ON
-         - cmake --build build/tests/unit --target run-all-tests-verbose --config $BUILD_TYPE
+         - cmake --build build/tests/unit --target run-all-tests-verbose --config $BUILD_TYPE -- -j $(sysctl -n hw.ncpu)
 
          - set +e
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a06c7b3..185c295 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
 
-project(function-loader VERSION 1.2.2 LANGUAGES CXX)
+project(function-loader VERSION 1.2.3 LANGUAGES CXX)
 
 add_library(${PROJECT_NAME} INTERFACE)
 
diff --git a/README.md b/README.md
index 982561b..2cf0176 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-![Version](https://img.shields.io/badge/version-1.2.2-green.svg)
+![Version](https://img.shields.io/badge/version-1.2.3-green.svg)
 [![License](https://img.shields.io/badge/license-MIT_License-green.svg?style=flat)](LICENSE)
 [![Build Status](https://travis-ci.org/karel-burda/function-loader.svg?branch=develop)](https://travis-ci.org/karel-burda/function-loader)
 [![Codecov Status](https://codecov.io/gh/karel-burda/function-loader/branch/develop/graph/badge.svg)](https://codecov.io/gh/karel-burda/function-loader/branch/develop)
@@ -40,7 +40,7 @@ There are essentially these ways of how to use this package depending on your pr
 Call `add_subdirectory(...)` directly in your CMakeLists.txt:
 
 ```cmake
-add_executable("my-project" main.cpp)
+add_executable(my-project main.cpp)
 
 add_subdirectory(<path-to-function-loader>)
 # example: add_subdirectory(function-loader ${CMAKE_BINARY_DIR}/function-loader)
@@ -51,8 +51,8 @@ message(STATUS "Current version of function-loader is: ${function-loader_VERSION
 add_library(burda::function-loader ALIAS function-loader)
 
 # this will import search paths, compile definitions and other dependencies of the function-loader as well
-target_link_libraries("my-project" function-loader)
-# or with private visibility: target_link_libraries("my-project" PRIVATE function-loader)
+target_link_libraries(my-project function-loader)
+# or with private visibility: target_link_libraries(my-project PRIVATE function-loader)
 ```
 
 ### B) Generate separately
@@ -68,7 +68,7 @@ This will create automatically generated package configuration file `function-lo
 Then you can do this in your CMakeLists.txt:
 
 ```cmake
-add_executable("my-project" main.cpp)
+add_executable(my-project main.cpp)
 
 find_package(function-loader CONFIG PATHS <path-to-binary-dir-of-function-loader>)
 # alternatively assuming that the "function-loader_DIR" variable is set: find_package(function-loader CONFIG)
@@ -77,8 +77,8 @@ find_package(function-loader CONFIG PATHS <path-to-binary-dir-of-function-loader
 message(STATUS "Found version of function-loader is: ${function-loader_VERSION}")
 
 # this will import search paths, compile definitions and other dependencies of the function-loader as well
-target_link_libraries("my-project" burda::function-loader)
-# or with public visibility: target_link_libraries("my-project" PUBLIC burda::function-loader)
+target_link_libraries(my-project burda::function-loader)
+# or with public visibility: target_link_libraries(my-project PUBLIC burda::function-loader)
 ```
 
 ## 2. Manual Way
@@ -86,7 +86,7 @@ Not recommended.
 
 Make sure that the `include` directory is in the search paths.
 
-You also have to set C++11 standard and potentially other settings as well (e.g. linking `libdl` on POSIXes).
+You also have to set C++ 11 standard and potentially other settings as well (e.g. linking `libdl` on POSIXes).
 
 # Example
 For full use cases, see [main.cpp](example/src/main.cpp) or implementation of unit tests at [tests/unit](tests/unit).
diff --git a/submodules/cmake-helpers b/submodules/cmake-helpers
index f89ca0c..c5a7b95 160000
--- a/submodules/cmake-helpers
+++ b/submodules/cmake-helpers
@@ -1 +1 @@
-Subproject commit f89ca0c44adc7360016ec516f2906924020a2288
+Subproject commit c5a7b953cb33755c9e06534acd15ea476d589adb
diff --git a/submodules/test-utils b/submodules/test-utils
index 01456a0..e4ebea6 160000
--- a/submodules/test-utils
+++ b/submodules/test-utils
@@ -1 +1 @@
-Subproject commit 01456a06dddd2140c15c0baf83f8fda9bbe012fc
+Subproject commit e4ebea6eb328b94b9a26b23a610dc9c7da7afa2d