diff --git a/grid_map/package.xml b/grid_map/package.xml
index 246b04180..40f1796f0 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 9dd382521..b57a9fe52 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 d7f4fe7b7..5570d3171 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 5cd9b27c6..4c6218d07 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 8821ae389..c167c5997 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 c472c78ad..4fe8aeff2 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 abe9528bb..c35e46bad 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 e5733ba4f..b2d6b44a0 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 45cfd38ed..459be6560 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 25ad8ae60..afcda1b95 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 896d28e1e..15c914e14 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 5e4423b4d..8c771cc6b 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 fcb5137d0..0a15b06b0 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 e505c1268..680b89e02 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 1c1cb3a00..5f3a5cfb7 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