diff --git a/example/package.xml b/example/package.xml
index f48c552f..9e6650e8 100644
--- a/example/package.xml
+++ b/example/package.xml
@@ -5,6 +5,8 @@
0.4.0
Example usage of generate_parameter_library.
Paul Gesel
+ Nathan Brooks
+ Shaurya Kumar
BSD-3-Clause
Paul Gesel
diff --git a/example_cmake_python/package.xml b/example_cmake_python/package.xml
index b1ffa7a1..0dd5ce40 100644
--- a/example_cmake_python/package.xml
+++ b/example_cmake_python/package.xml
@@ -5,6 +5,8 @@
0.4.0
Example usage of generate_parameter_library for a python module with cmake.
Paul Gesel
+ Nathan Brooks
+ Shaurya Kumar
BSD-3-Clause
Paul Gesel
diff --git a/example_external/package.xml b/example_external/package.xml
index 45d3d7eb..cf8d5d8e 100644
--- a/example_external/package.xml
+++ b/example_external/package.xml
@@ -5,6 +5,8 @@
0.4.0
Example usage of a parameter header generated in another package.
Paul Gesel
+ Nathan Brooks
+ Shaurya Kumar
BSD-3-Clause
Auguste Bourgois
diff --git a/example_python/package.xml b/example_python/package.xml
index 80ebf711..288cf7bb 100644
--- a/example_python/package.xml
+++ b/example_python/package.xml
@@ -5,6 +5,8 @@
0.4.0
Example usage of generate_parameter_library for a python module
paul
+ Nathan Brooks
+ Shaurya Kumar
BSD-3-Clause
generate_parameter_library
diff --git a/generate_parameter_library/package.xml b/generate_parameter_library/package.xml
index 435990e6..00c16217 100644
--- a/generate_parameter_library/package.xml
+++ b/generate_parameter_library/package.xml
@@ -5,6 +5,8 @@
0.4.0
CMake to generate ROS parameter library.
Paul Gesel
+ Nathan Brooks
+ Shaurya Kumar
BSD-3-Clause
Paul Gesel
diff --git a/generate_parameter_library_py/package.xml b/generate_parameter_library_py/package.xml
index ae238a7f..6bf807ab 100644
--- a/generate_parameter_library_py/package.xml
+++ b/generate_parameter_library_py/package.xml
@@ -5,6 +5,8 @@
0.4.0
Python to generate ROS parameter library.
Paul Gesel
+ Nathan Brooks
+ Shaurya Kumar
BSD-3-Clause
Paul Gesel
diff --git a/parameter_traits/package.xml b/parameter_traits/package.xml
index a61c2f04..01d0a884 100644
--- a/parameter_traits/package.xml
+++ b/parameter_traits/package.xml
@@ -6,6 +6,8 @@
Functions and types for rclcpp::Parameter
Tyler Weaver
Paul Gesel
+ Nathan Brooks
+ Shaurya Kumar
BSD-3-Clause
ament_cmake