diff --git a/CMakeLists.txt b/CMakeLists.txt
index 48b8aeb..5b6a5cf 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,6 +21,7 @@ find_package(rclcpp REQUIRED)
 find_package(rclcpp_components REQUIRED)
 find_package(sensor_msgs REQUIRED)
 find_package(rcutils REQUIRED)
+find_package(PkgConfig REQUIRED)
 pkg_check_modules(GST REQUIRED 
   gstreamer-1.0
   gstreamer-app-1.0