diff --git a/src/tutorial_pkg/src/CMakeLists.txt b/src/tutorial_pkg/src/CMakeLists.txt
index b01aa53..6aa1d89 100644
--- a/src/tutorial_pkg/src/CMakeLists.txt
+++ b/src/tutorial_pkg/src/CMakeLists.txt
@@ -4,12 +4,14 @@ project(tutorial_pkg)
 add_compile_options(-std=c++11)
 
 find_package(catkin REQUIRED COMPONENTS
-  roscpp
-  sensor_msgs
+        roscpp
+        sensor_msgs
+        std_msg
+        std_srvs
 )
 
 catkin_package(
-  CATKIN_DEPENDS
+        CATKIN_DEPENDS
 )
 
 include_directories(${catkin_INCLUDE_DIRS})
@@ -17,5 +19,4 @@ include_directories(${catkin_INCLUDE_DIRS})
 add_executable(my_first_node src/my_first_node.cpp)
 
 target_link_libraries(my_first_node
-  ${catkin_LIBRARIES}
-)
+        ${catkin_LIBRARIES})
\ No newline at end of file