diff --git a/grid_map/package.xml b/grid_map/package.xml
index 0452a0c95..e0c7a2fa7 100644
--- a/grid_map/package.xml
+++ b/grid_map/package.xml
@@ -6,6 +6,7 @@
Meta-package for the universal grid map library.
Maximilian Wulf
Yoshua Nava
+ Ryan Friedman
BSD
http://github.com/anybotics/grid_map
http://github.com/anybotics/grid_map/issues
diff --git a/grid_map_cmake_helpers/package.xml b/grid_map_cmake_helpers/package.xml
index 1d2356241..a5981c2c9 100644
--- a/grid_map_cmake_helpers/package.xml
+++ b/grid_map_cmake_helpers/package.xml
@@ -6,7 +6,7 @@
CMake support functionality used throughout grid_map
Maximilian Wulf
Yoshua Nava
- Steve Macenski
+ Ryan Friedman
BSD
ament_cmake_core
diff --git a/grid_map_core/package.xml b/grid_map_core/package.xml
index 45acb19b6..42f3098c2 100644
--- a/grid_map_core/package.xml
+++ b/grid_map_core/package.xml
@@ -6,6 +6,7 @@
Universal grid map library to manage two-dimensional grid maps with multiple data layers.
Maximilian Wulf
Yoshua Nava
+ Ryan Friedman
BSD
http://github.com/anybotics/grid_map
http://github.com/anybotics/grid_map/issues
diff --git a/grid_map_costmap_2d/package.xml b/grid_map_costmap_2d/package.xml
index 685b55183..924790d8f 100644
--- a/grid_map_costmap_2d/package.xml
+++ b/grid_map_costmap_2d/package.xml
@@ -6,6 +6,7 @@
Interface for grid maps to the costmap_2d format.
Maximilian Wulf
Yoshua Nava
+ Ryan Friedman
BSD
http://github.com/anybotics/grid_map
http://github.com/anybotics/grid_map/issues
diff --git a/grid_map_cv/package.xml b/grid_map_cv/package.xml
index 08be281ac..6135f1562 100644
--- a/grid_map_cv/package.xml
+++ b/grid_map_cv/package.xml
@@ -5,6 +5,7 @@
Conversions between grid maps and OpenCV images.
Maximilian Wulf
Yoshua Nava
+ Ryan Friedman
BSD
http://github.com/anybotics/grid_map
http://github.com/anybotics/grid_map/issues
diff --git a/grid_map_demos/package.xml b/grid_map_demos/package.xml
index db983509c..a3a536ff4 100644
--- a/grid_map_demos/package.xml
+++ b/grid_map_demos/package.xml
@@ -6,6 +6,7 @@
Demo nodes to demonstrate the usage of the grid map library.
Maximilian Wulf
Yoshua Nava
+ Ryan Friedman
BSD
http://github.com/anybotics/grid_map
http://github.com/anybotics/grid_map/issues
diff --git a/grid_map_filters/package.xml b/grid_map_filters/package.xml
index 7ed841091..91857acf6 100644
--- a/grid_map_filters/package.xml
+++ b/grid_map_filters/package.xml
@@ -6,6 +6,7 @@
Processing grid maps as a sequence of ROS filters.
Maximilian Wulf
Yoshua Nava
+ Ryan Friedman
BSD
http://github.com/anybotics/grid_map
http://github.com/anybotics/grid_map/issues
diff --git a/grid_map_loader/package.xml b/grid_map_loader/package.xml
index 47c2e26c6..cb25fb43d 100644
--- a/grid_map_loader/package.xml
+++ b/grid_map_loader/package.xml
@@ -5,6 +5,7 @@
Loading and publishing grid maps from bag files.
Maximilian Wulf
Yoshua Nava
+ Ryan Friedman
BSD
http://github.com/anybotics/grid_map
http://github.com/anybotics/grid_map/issues
diff --git a/grid_map_msgs/package.xml b/grid_map_msgs/package.xml
index 64a37e6fd..109cbcf96 100644
--- a/grid_map_msgs/package.xml
+++ b/grid_map_msgs/package.xml
@@ -6,6 +6,7 @@
Definition of the multi-layered grid map message type.
Maximilian Wulf
Yoshua Nava
+ Ryan Friedman
BSD
http://github.com/anybotics/grid_map
http://github.com/anybotics/grid_map/issues
diff --git a/grid_map_octomap/package.xml b/grid_map_octomap/package.xml
index 7f83812a6..d057a9359 100644
--- a/grid_map_octomap/package.xml
+++ b/grid_map_octomap/package.xml
@@ -5,6 +5,7 @@
Conversions between grid maps and OctoMap types.
Maximilian Wulf
Yoshua Nava
+ Ryan Friedman
BSD
http://github.com/anybotics/grid_map
http://github.com/anybotics/grid_map/issues
diff --git a/grid_map_pcl/package.xml b/grid_map_pcl/package.xml
index ae8758d40..0e02c0cb8 100644
--- a/grid_map_pcl/package.xml
+++ b/grid_map_pcl/package.xml
@@ -6,6 +6,7 @@
Conversions between grid maps and Point Cloud Library (PCL) types.
Maximilian Wulf
Yoshua Nava
+ Ryan Friedman
BSD
http://github.com/anybotics/grid_map
http://github.com/anybotics/grid_map/issues
diff --git a/grid_map_ros/package.xml b/grid_map_ros/package.xml
index b1b604787..abad155f9 100644
--- a/grid_map_ros/package.xml
+++ b/grid_map_ros/package.xml
@@ -5,6 +5,7 @@
ROS interface for the grid map library to manage two-dimensional grid maps with multiple data layers.
Maximilian Wulf
Yoshua Nava
+ Ryan Friedman
BSD
http://github.com/anybotics/grid_map
http://github.com/anybotics/grid_map/issues
diff --git a/grid_map_rviz_plugin/package.xml b/grid_map_rviz_plugin/package.xml
index 7a4a83a90..c2502a5c6 100644
--- a/grid_map_rviz_plugin/package.xml
+++ b/grid_map_rviz_plugin/package.xml
@@ -6,6 +6,7 @@
RViz plugin for displaying grid map messages.
Maximilian Wulf
Yoshua Nava
+ Ryan Friedman
BSD
Philipp Krüsi
Péter Fankhauser
diff --git a/grid_map_sdf/package.xml b/grid_map_sdf/package.xml
index d907dcc2c..5382350ec 100644
--- a/grid_map_sdf/package.xml
+++ b/grid_map_sdf/package.xml
@@ -6,6 +6,7 @@
Generates signed distance fields from grid maps.
Maximilian Wulf
Yoshua Nava
+ Ryan Friedman
BSD
http://github.com/anybotics/grid_map
http://github.com/anybotics/grid_map/issues
diff --git a/grid_map_visualization/package.xml b/grid_map_visualization/package.xml
index 3a3ea1cb5..fb7dfd70e 100644
--- a/grid_map_visualization/package.xml
+++ b/grid_map_visualization/package.xml
@@ -6,6 +6,7 @@
Configurable tool to visualize grid maps in RViz.
Maximilian Wulf
Yoshua Nava
+ Ryan Friedman
BSD
http://github.com/anybotics/grid_map
http://github.com/anybotics/grid_map/issues