diff --git a/greenwave_monitor/CMakeLists.txt b/greenwave_monitor/CMakeLists.txt
index 9135e8d..16bdd6c 100644
--- a/greenwave_monitor/CMakeLists.txt
+++ b/greenwave_monitor/CMakeLists.txt
@@ -20,6 +20,7 @@ if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
 endif()
 
 # find dependencies
+find_package(ament_cmake REQUIRED)
 find_package(ament_cmake_auto REQUIRED)
 ament_auto_find_build_dependencies()