diff --git a/Makefile b/Makefile
index e1130da..89493b1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 CXX=g++
-CXXFLAGS=-Wall -I src/libs -I src
-SOURCES=src/openrouter.cpp src/security/cors.cpp src/settings/telnet/enabled.cpp src/settings/telnet/port.cpp src/settings/ssh/status.cpp src/settings/ssh/keys.cpp src/settings/ssh/port.cpp src/settings/dns/enabled.cpp src/settings/dns/servers.cpp src/settings/dns/local_domains.cpp src/settings/wifi/status.cpp src/settings/wifi/name.cpp src/settings/wifi/password.cpp src/settings/wifi/qr.cpp src/settings/wifi/channel.cpp src/settings/ftp/ftp.cpp src/system/reboot/reboot.cpp src/system/syslog/syslog.cpp src/system/uptime/uptime.cpp src/OpenRouter/OpenRouter.cpp src/auth/auth.cpp src/libs/QR-Code-generator/qrcodegen.cpp src/libs/QR-Code-generator/qrtosvg.cpp
+CXXFLAGS=-Wall -I src/libs -I src -std=c++20
+SOURCES=src/openrouter.cpp src/security/cors.cpp src/settings/telnet/enabled.cpp src/settings/telnet/port.cpp src/settings/ssh/status.cpp src/settings/ssh/keys.cpp src/settings/ssh/port.cpp src/settings/ssh/server.cpp src/settings/dns/enabled.cpp src/settings/dns/servers.cpp src/settings/dns/local_domains.cpp src/settings/wifi/status.cpp src/settings/wifi/name.cpp src/settings/wifi/password.cpp src/settings/wifi/qr.cpp src/settings/wifi/channel.cpp src/settings/ftp/ftp.cpp src/system/reboot/reboot.cpp src/system/syslog/syslog.cpp src/system/uptime/uptime.cpp src/OpenRouter/OpenRouter.cpp src/auth/auth.cpp src/libs/QR-Code-generator/qrcodegen.cpp src/libs/QR-Code-generator/qrtosvg.cpp
 TARGET=bin/openrouter
 default: all
 all: build
diff --git a/meson.build b/meson.build
index 0e21c7e..e1b8495 100644
--- a/meson.build
+++ b/meson.build
@@ -1,4 +1,4 @@
-project('openrouter', 'cpp')
+project('openrouter', 'cpp', default_options : ['c_std=c20', 'cpp_std=c++20'])
 include_dirs = include_directories('src', 'src/libs')
 executable(
   'openrouter',