diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 703e6cb..8272194 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -127,7 +127,7 @@ jobs:
           cd build
           cmake ..
           make tests
-          make test
+          ctest
   integ:
     runs-on: ubuntu-latest
     strategy:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 404d4cf..1db4128 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -79,7 +79,7 @@ endif(APPLE)
 
 #set_property(TARGET dublintraceroute PROPERTY CXX_STANDARD 11)
 #set_property(TARGET dublintraceroute PROPERTY CXX_STANDARD_REQUIRED ON)
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
 
 add_dependencies(dublin-traceroute dublintraceroute)
 
@@ -125,30 +125,14 @@ endif()
 
 
 # Testing
-INCLUDE(ExternalProject)
-# Only include googletest if the git submodule has been fetched
-IF(EXISTS "${CMAKE_SOURCE_DIR}/googletest/CMakeLists.txt")
-    # Enable tests and add the test directory
-    MESSAGE(STATUS "Tests have been enabled")
-    SET(GOOGLETEST_ROOT ${CMAKE_SOURCE_DIR}/googletest)
-    SET(GOOGLETEST_INCLUDE ${GOOGLETEST_ROOT}/googletest/include)
-    SET(GOOGLETEST_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/googletest)
-    SET(GOOGLETEST_LIBRARY ${GOOGLETEST_BINARY_DIR}/googletest)
-
-    ExternalProject_Add(
-        googletest
-        DOWNLOAD_COMMAND ""
-        SOURCE_DIR ${GOOGLETEST_ROOT}
-        BINARY_DIR ${GOOGLETEST_BINARY_DIR}
-        CMAKE_CACHE_ARGS "-DBUILD_GTEST:bool=ON" "-DBUILD_GMOCK:bool=OFF"
-                         "-Dgtest_force_shared_crt:bool=ON"
-        INSTALL_COMMAND ""
-    )
-    # Make sure we build googletest before anything else
-    ADD_DEPENDENCIES(dublintraceroute googletest)
-    ENABLE_TESTING()
-    ADD_SUBDIRECTORY(tests)
-ELSE()
-    MESSAGE(STATUS "googletest git submodule is absent. Run `git submodule init && git submodule update` to get it")
-ENDIF()
+include(FetchContent)
+FetchContent_Declare(
+  googletest
+  URL https://github.com/google/googletest/archive/refs/tags/v1.15.2.zip
+)
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googletest)
 
+# Make sure we build googletest before anything else
+ENABLE_TESTING()
+ADD_SUBDIRECTORY(tests)
diff --git a/docs/README.md b/docs/README.md
index c3d6fea..6662d83 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -247,10 +247,11 @@ make
 
 You need the latest XCode installed to build this project. Then run:
 ```bash
-brew install https://raw.githubusercontent.com/insomniacslk/dublin-traceroute/master/homebrew/dublin-traceroute.rb
+wget https://raw.githubusercontent.com/insomniacslk/dublin-traceroute/master/homebrew/dublin-traceroute.rb
+brew install ./dublin-traceroute.rb
 ```
 
-This will be as simple as `brew install dublin-traceroute` after https://github.com/Homebrew/homebrew/pull/50000 will be merged.
+Unfortunately `dublin-traceroute` is not part of Homebrew's base packages, see <https://github.com/Homebrew/homebrew/pull/50000>.
 
 Please [file an issue](https://github.com/insomniacslk/dublin-traceroute/issues/new/choose) with the necessary details if this doesn't work for you.
 
diff --git a/googletest b/googletest
index bfc0ffc..7d76a23 160000
--- a/googletest
+++ b/googletest
@@ -1 +1 @@
-Subproject commit bfc0ffc8a698072c794ae7299db9cb6866f4c0bc
+Subproject commit 7d76a231b0e29caf86e68d1df858308cd53b2a66
diff --git a/include/dublintraceroute/icmp_messages.h b/include/dublintraceroute/icmp_messages.h
index 220d8e8..2bf9ad9 100644
--- a/include/dublintraceroute/icmp_messages.h
+++ b/include/dublintraceroute/icmp_messages.h
@@ -24,14 +24,14 @@
 typedef std::tuple<uint8_t, uint8_t> icmpmessage_t;
 
 
-struct icmpmessage_hash: public std::unary_function<icmpmessage_t, std::size_t> {
+struct icmpmessage_hash {
 	std::size_t operator()(const icmpmessage_t &key) const {
 		return std::get<0>(key) ^ std::get<1>(key);
 	}
 };
 
 
-struct icmpmessage_equals: public std::binary_function<icmpmessage_t, icmpmessage_t, bool> {
+struct icmpmessage_equals {
 	bool operator()(const icmpmessage_t &left, const icmpmessage_t &right) const {
 		return (
 			std::get<0>(left) == std::get<0>(right) &&
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 9cca40f..9f1b99b 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -2,4 +2,3 @@
 
 INCLUDE_DIRECTORIES(${gtest_INCLUDE_DIRS})
 ADD_SUBDIRECTORY(src)
-
diff --git a/tests/src/CMakeLists.txt b/tests/src/CMakeLists.txt
index b0cf7dd..8063014 100644
--- a/tests/src/CMakeLists.txt
+++ b/tests/src/CMakeLists.txt
@@ -1,5 +1,8 @@
 # SPDX-License-Identifier: BSD-2-Clause
 
+include(GoogleTest)
+enable_testing()
+
 # This file is shamelessly copied and modified from libtins.
 # Use dublintraceroute's include directories + test include directories
 INCLUDE_DIRECTORIES(
@@ -34,11 +37,15 @@ ADD_CUSTOM_TARGET(
 # Test executables
 
 ADD_EXECUTABLE(UDPv4Test EXCLUDE_FROM_ALL udpv4.cxx)
+gtest_discover_tests(UDPv4Test)
 ADD_EXECUTABLE(HopTest EXCLUDE_FROM_ALL hop.cxx)
+gtest_discover_tests(HopTest)
 ADD_EXECUTABLE(HopsTest EXCLUDE_FROM_ALL hops.cxx)
+gtest_discover_tests(HopsTest)
 
 # Tests
 
 ADD_TEST(UDPv4 UDPv4Test)
 ADD_TEST(Hop HopTest)
 ADD_TEST(Hops HopsTest)
+