diff --git a/OnDemandUpdatePTU.pro b/OnDemandUpdatePTU.pro
index f7ffc60..9cdd8b2 100644
--- a/OnDemandUpdatePTU.pro
+++ b/OnDemandUpdatePTU.pro
@@ -36,7 +36,7 @@ contains( CONFIG, PTU5 ) {
     greaterThan(QT_MAJOR_VERSION, 4): QT += serialport
     CONFIG += link_pkgconfig
     lessThan(QT_MAJOR_VERSION, 5):   PKGCONFIG += qextserialport
-    QMAKE_CXXFLAGS += -std=c++11   # for GCC >= 4.7
+    QMAKE_CXXFLAGS += -std=c++17   # for GCC >= 4.7
     QMAKE_CXXFLAGS += -Wno-deprecated-copy
     ARCH = PTU5
     DEFINES+=PTU5
@@ -55,7 +55,7 @@ contains( CONFIG, DesktopLinux ) {
     lessThan(QT_MAJOR_VERSION, 5):    CONFIG += extserialport
     # QMAKE_CC = ccache $$QMAKE_CC
     # QMAKE_CXX = ccache $$QMAKE_CXX
-    QMAKE_CXXFLAGS += -std=c++11
+    QMAKE_CXXFLAGS += -std=c++17
     QMAKE_CXXFLAGS += -Wno-deprecated-copy
     linux-clang {  QMAKE_CXXFLAGS += -Qunused-arguments   }
     ARCH = DesktopLinux
@@ -68,6 +68,7 @@ SOURCES += \
         git/git_client.cpp \
         apism/apism_client.cpp \
         apism/apism_tcp_client.cpp \
+        ismas/ismas_client.cpp \
         process/command.cpp \
         message_handler.cpp \
         worker.cpp \
@@ -79,6 +80,7 @@ HEADERS += \
         apism/apism_client.h \
         apism/apism_tcp_client.h \
         apism/ismas_data.h \
+        ismas/ismas_client.h \
         process/command.h \
         message_handler.h \
         worker.h \