diff --git a/library/library.pro b/library/library.pro
index 37edc3f..a4bb815 100644
--- a/library/library.pro
+++ b/library/library.pro
@@ -25,7 +25,8 @@ SOURCES += \
     src/utilities.cpp \
     src/configuration.cpp \
     src/tariff_log.cpp \
-    src/calculate_price.cpp
+    src/calculate_price.cpp \
+    src/ticket.cpp
 
 HEADERS += \
 	include/mobilisis/calculator_functions.h \
@@ -66,7 +67,8 @@ HEADERS += \
     include/mobilisis/tariff_payment_rate.h \
     include/mobilisis/tariff_log.h \
     include/mobilisis/calculate_price.h \
-    include/mobilisis/atb_project.h
+    include/mobilisis/atb_project.h \
+    include/mobilisis/ticket.h
 
 OTHER_FILES += src/main.cpp