diff --git a/CMakeLists.txt b/CMakeLists.txt
index d2a6bfb..1c684bb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.15)
 
-project(async-mqtt5 VERSION 0.0.1 LANGUAGES NONE)
+project(async-mqtt5 VERSION 0.0.1 LANGUAGES CXX)
 
 include(cmake/project-is-top-level.cmake)
 include(cmake/variables.cmake)
@@ -19,10 +19,13 @@ target_include_directories(
     "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>"
 )
 
-target_compile_features(async_mqtt5 INTERFACE cxx_std_20)
+target_compile_features(async_mqtt5 INTERFACE cxx_std_17)
 
 find_package(Boost 1.82 REQUIRED)
-target_link_libraries(async_mqtt5 INTERFACE Boost::headers)
+target_link_libraries(async_mqtt5
+    INTERFACE
+    Boost::headers
+)
 
 if(NOT CMAKE_SKIP_INSTALL_RULES)
   include(cmake/install-rules.cmake)
diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt
index 141fa4a..7dd94a8 100644
--- a/example/CMakeLists.txt
+++ b/example/CMakeLists.txt
@@ -5,30 +5,27 @@ project(async-mqtt5-examples CXX)
 include(../cmake/project-is-top-level.cmake)
 
 if(PROJECT_IS_TOP_LEVEL)
-  find_package(async_mqtt5 REQUIRED)
+  find_package(async-mqtt5 REQUIRED)
 endif()
 
 function(add_example name)
   add_executable("${name}" ${ARGN})
-  target_compile_features("${name}" PRIVATE cxx_std_20)
+  target_compile_features("${name}" PRIVATE cxx_std_20) # for coroutines
   target_link_libraries("${name}" PRIVATE Async::MQTT5)
 endfunction()
 
-foreach(f callbacks cpp20_coroutines futures publisher receiver)
-  add_example("${f}" "${f}.cpp")
-endforeach()
+ foreach(f publisher receiver)
+   add_example("${f}" "${f}.cpp")
+ endforeach()
 
-#[[
-add_example(
-    misc
-    src/run_examples.cpp
-    network_connection.cpp
-    openssl-tls.cpp
+set(EXAMPLES
     tcp.cpp
-    websocket-tcp.cpp
-    websocket-tls.cpp
+    openssl_tls.cpp
+    websocket_tcp.cpp
+    websocket_tls.cpp
 )
 
 find_package(OpenSSL REQUIRED)
-target_link_libraries(misc PRIVATE OpenSSL::SSL)
-]]
+add_executable(examples src/run_examples.cpp ${EXAMPLES})
+target_compile_features(examples PRIVATE cxx_std_17)
+target_link_libraries(examples PRIVATE Async::MQTT5 OpenSSL::SSL)
diff --git a/test/unit/CMakeLists.txt b/test/unit/CMakeLists.txt
index 8358750..b4e65f9 100644
--- a/test/unit/CMakeLists.txt
+++ b/test/unit/CMakeLists.txt
@@ -5,7 +5,7 @@ project(async-mqtt5-tests CXX)
 include(../../cmake/project-is-top-level.cmake)
 
 if(PROJECT_IS_TOP_LEVEL)
-  find_package(async_mqtt5 REQUIRED)
+  find_package(async-mqtt5 REQUIRED)
   enable_testing()
 endif()
 
@@ -14,16 +14,20 @@ add_executable(
     src/run_tests.cpp
     test/cancellation.cpp
     test/client_broker.cpp
+    test/compilation_checks.cpp
     test/coroutine.cpp
     test/publish_send_op.cpp
     test/serialization.cpp
     test/session.cpp
+    test/string_validation.cpp
+    test/subscribe_op.cpp
 )
 
 target_include_directories(mqtt-test PRIVATE include)
-target_compile_features(mqtt-test PRIVATE cxx_std_20)
+target_compile_features(mqtt-test PRIVATE cxx_std_17)
+target_compile_definitions(mqtt-test PRIVATE BOOST_TEST_NO_MAIN=1)
 
-find_package(Boost 1.82 REQUIRED unit_test_framework)
-target_link_libraries(mqtt-test PRIVATE Async::MQTT5 Boost::unit_test_framework)
+find_package(OpenSSL)
+target_link_libraries(mqtt-test PRIVATE Async::MQTT5 OpenSSL::SSL)
 
 add_test(NAME mqtt-test COMMAND mqtt-test)
diff --git a/test/unit/src/run_tests.cpp b/test/unit/src/run_tests.cpp
index a55f782..89e56b6 100644
--- a/test/unit/src/run_tests.cpp
+++ b/test/unit/src/run_tests.cpp
@@ -1,30 +1,17 @@
-#include <boost/test/unit_test.hpp>
+#include <boost/test/included/unit_test.hpp>
 
 #include <test_common/protocol_logging.hpp>
 
-namespace {
-
-void setup_mqtt() {
+boost::unit_test::test_suite* init_tests(
+	int /*argc*/, char* /*argv*/[]
+) {
 	async_mqtt5::test::logging_enabled() = true;
-}
-
-}
-
-#ifdef BOOST_TEST_DYN_LINK
-static bool init_tests() {
-	setup_mqtt();
-	return true;
+	return nullptr;
 }
 
 int main(int argc, char* argv[]) {
 	return boost::unit_test::unit_test_main(&init_tests, argc, argv);
 }
-#else
-boost::unit_test::test_suite* init_unit_test_suite(int, char** const) {
-	setup_mqtt();
-	return nullptr;
-}
-#endif
 
 /*
 * usage: ./mqtt-test [boost test --arg=val]*
diff --git a/vcpkg.json b/vcpkg.json
index 0ca89b7..f8a829d 100644
--- a/vcpkg.json
+++ b/vcpkg.json
@@ -19,5 +19,18 @@
         }
       ]
     }
-  }
+  },
+  "vcpkg-configuration": {
+    "default-registry": {
+      "kind": "git",
+      "repository": "https://github.com/microsoft/vcpkg",
+      "baseline": "4cac260c4b7331538d31886f57739fea0bffa27e"
+    }
+  },
+  "overrides": [
+    {
+      "name": "openssl",
+      "version-string": "1.1.1n"
+    }
+  ]
 }