diff --git a/CMakeLists.txt b/CMakeLists.txt
index 388ed9b..6c121ea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,6 +12,7 @@ set(META_VERSION_MAJOR 0)
 set(META_VERSION_MINOR 0)
 set(META_VERSION_PATCH 5)
 set(META_APP_VERSION ${META_VERSION_MAJOR}.${META_VERSION_MINOR}.${META_VERSION_PATCH})
+set(META_CXX_STANDARD 17)
 
 # set project name for IDEs like Qt Creator
 project(${META_PROJECT_NAME})
diff --git a/generator/CMakeLists.txt b/generator/CMakeLists.txt
index 0bcefd7..6c002a3 100644
--- a/generator/CMakeLists.txt
+++ b/generator/CMakeLists.txt
@@ -79,6 +79,8 @@ if(TARGET reflective_rapidjson_generator_tests)
             binary
         OUTPUT_LISTS
             TEST_GENERATED_HEADER_FILES
+        CLANG_OPTIONS
+            -std=c++17
         CLANG_OPTIONS_FROM_TARGETS
             reflective_rapidjson_generator_tests
         JSON_CLASSES
diff --git a/lib/tests/binaryreflector.cpp b/lib/tests/binaryreflector.cpp
index c20c24e..58f3f03 100644
--- a/lib/tests/binaryreflector.cpp
+++ b/lib/tests/binaryreflector.cpp
@@ -152,11 +152,11 @@ public:
     void assertTestObject(const TestObjectBinary &deserialized);
 
 private:
-    vector<byte> m_buffer;
+    vector<unsigned char> m_buffer;
     TestObjectBinary m_testObj;
     NestingArrayBinary m_nestedTestObj;
-    vector<byte> m_expectedTestObj;
-    vector<byte> m_expectedNestedTestObj;
+    vector<unsigned char> m_expectedTestObj;
+    vector<unsigned char> m_expectedNestedTestObj;
 };
 
 CPPUNIT_TEST_SUITE_REGISTRATION(BinaryReflectorTests);