diff --git a/asio_cmake_module/package.xml b/asio_cmake_module/package.xml
index acea0c0..f10b5d6 100644
--- a/asio_cmake_module/package.xml
+++ b/asio_cmake_module/package.xml
@@ -5,7 +5,7 @@
   <version>1.2.0</version>
   <description>A CMake module for using the ASIO network library</description>
   <maintainer email="esteve@apache.org">Esteve Fernandez</maintainer>
-  <license>Apache License 2.0</license>
+  <license>Apache-2.0</license>
 
   <url type="repository">https://github.com/ros-drivers/transport_drivers</url>
   <url type="bugtracker">https://github.com/ros-drivers/transport_drivers/issues</url>
diff --git a/io_context/package.xml b/io_context/package.xml
index a7bb063..971f7c2 100644
--- a/io_context/package.xml
+++ b/io_context/package.xml
@@ -5,7 +5,7 @@
   <version>1.2.0</version>
   <description>A library to write Synchronous and Asynchronous networking applications</description>
   <maintainer email="whitleysoftwareservices@gmail.com">Joshua Whitley</maintainer>
-  <license>Apache License 2.0</license>
+  <license>Apache-2.0</license>
 
   <url type="repository">https://github.com/ros-drivers/transport_drivers</url>
   <url type="bugtracker">https://github.com/ros-drivers/transport_drivers/issues</url>
diff --git a/serial_driver/package.xml b/serial_driver/package.xml
index d2eb92d..3daf4eb 100644
--- a/serial_driver/package.xml
+++ b/serial_driver/package.xml
@@ -5,7 +5,7 @@
   <version>1.2.0</version>
   <description>A template class and associated utilities which encapsulate basic reading from serial ports</description>
   <maintainer email="whitleysoftwareservices@gmail.com">Joshua Whitley</maintainer>
-  <license>Apache License 2.0</license>
+  <license>Apache-2.0</license>
   <url type="repository">https://github.com/ros-drivers/transport_drivers</url>
   <url type="bugtracker">https://github.com/ros-drivers/transport_drivers/issues</url>
   <author email="opensource@apex.ai">Apex.AI, Inc.</author>
diff --git a/udp_driver/package.xml b/udp_driver/package.xml
index ef5903f..3c7fca4 100644
--- a/udp_driver/package.xml
+++ b/udp_driver/package.xml
@@ -5,7 +5,7 @@
   <version>1.2.0</version>
   <description>A library to write Synchronous and Asynchronous networking applications, ROS and ROS2 nodes</description>
   <maintainer email="whitleysoftwareservices@gmail.com">Joshua Whitley</maintainer>
-  <license>Apache License 2.0</license>
+  <license>Apache-2.0</license>
 
   <url type="repository">https://github.com/ros-drivers/transport_drivers</url>
   <url type="bugtracker">https://github.com/ros-drivers/transport_drivers/issues</url>