diff --git a/CMakeLists.txt b/CMakeLists.txt
index 290d2018c..d37626776 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ option(BUILD_SHARED_LIBS "Build tgbot-cpp shared/static library." OFF)
 option(BUILD_DOCUMENTATION "Build doxygen API documentation." OFF)
 
 # sources
-set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 if(WIN32)
@@ -76,6 +76,7 @@ link_directories(${Boost_LIBRARY_DIR_RELEASE})
 if(NOT Boost_USE_STATIC_LIBS)
     add_definitions(-DBOOST_ALL_DYN_LINK)
 endif()
+add_definitions(-DBOOST_BIND_GLOBAL_PLACEHOLDERS)
 
 set(LIB_LIST
     ${CMAKE_THREAD_LIBS_INIT}
diff --git a/src/types/InputFile.cpp b/src/types/InputFile.cpp
index c74c73ef3..c4d804deb 100644
--- a/src/types/InputFile.cpp
+++ b/src/types/InputFile.cpp
@@ -1,7 +1,7 @@
 #include "tgbot/types/InputFile.h"
-#include "tgbot/tools/StringTools.h"
 #include "tgbot/tools/FileTools.h"
 
+#include <filesystem>
 #include <memory>
 #include <string>
 
@@ -13,7 +13,7 @@ InputFile::Ptr InputFile::fromFile(const string& filePath, const string& mimeTyp
     auto result(make_shared<InputFile>());
     result->data = FileTools::read(filePath);
     result->mimeType = mimeType;
-    result->fileName = StringTools::split(filePath, '/').back();
+    result->fileName = std::filesystem::path(filePath).filename().string();
     return result;
 }