diff --git a/backends/auto/Cargo.toml b/backends/auto/Cargo.toml
index 8cf92047..41ced2b3 100644
--- a/backends/auto/Cargo.toml
+++ b/backends/auto/Cargo.toml
@@ -3,6 +3,7 @@ name = "servo-media-auto"
 version = "0.1.0"
 authors = ["The Servo Project Developers"]
 edition = "2021"
+license = "MPL-2.0"
 
 [lib]
 name = "servo_media_auto"
diff --git a/backends/dummy/Cargo.toml b/backends/dummy/Cargo.toml
index 46ef8508..e369a4ba 100644
--- a/backends/dummy/Cargo.toml
+++ b/backends/dummy/Cargo.toml
@@ -2,6 +2,7 @@
 name = "servo-media-dummy"
 version = "0.1.0"
 authors = ["The Servo Project Developers"]
+license = "MPL-2.0"
 
 [lib]
 name = "servo_media_dummy"
diff --git a/backends/gstreamer/Cargo.toml b/backends/gstreamer/Cargo.toml
index 8e0af486..260111b0 100644
--- a/backends/gstreamer/Cargo.toml
+++ b/backends/gstreamer/Cargo.toml
@@ -3,6 +3,7 @@ name = "servo-media-gstreamer"
 version = "0.1.0"
 authors = ["The Servo Project Developers"]
 edition = "2021"
+license = "MPL-2.0"
 
 [lib]
 name = "servo_media_gstreamer"
diff --git a/backends/gstreamer/render-android/Cargo.toml b/backends/gstreamer/render-android/Cargo.toml
index 8855948e..ed8baef2 100644
--- a/backends/gstreamer/render-android/Cargo.toml
+++ b/backends/gstreamer/render-android/Cargo.toml
@@ -3,6 +3,7 @@ name = "servo-media-gstreamer-render-android"
 version = "0.1.0"
 authors = ["The Servo Project Developers"]
 edition = "2021"
+license = "MPL-2.0"
 
 [lib]
 name = "servo_media_gstreamer_render_android"
diff --git a/backends/gstreamer/render-unix/Cargo.toml b/backends/gstreamer/render-unix/Cargo.toml
index c3dfa369..6f7cfdf9 100644
--- a/backends/gstreamer/render-unix/Cargo.toml
+++ b/backends/gstreamer/render-unix/Cargo.toml
@@ -3,6 +3,7 @@ name = "servo-media-gstreamer-render-unix"
 version = "0.1.0"
 authors = ["The Servo Project Developers"]
 edition = "2021"
+license = "MPL-2.0"
 
 [features]
 gl-egl = ["gstreamer-gl-egl"]
diff --git a/backends/gstreamer/render/Cargo.toml b/backends/gstreamer/render/Cargo.toml
index ed46cf15..60920264 100644
--- a/backends/gstreamer/render/Cargo.toml
+++ b/backends/gstreamer/render/Cargo.toml
@@ -2,6 +2,7 @@
 name = "servo-media-gstreamer-render"
 version = "0.1.0"
 authors = ["The Servo Project Developers"]
+license = "MPL-2.0"
 
 [lib]
 name = "servo_media_gstreamer_render"
diff --git a/examples/android/lib/Cargo.toml b/examples/android/lib/Cargo.toml
index 1ddbbf65..c5bb1ed4 100644
--- a/examples/android/lib/Cargo.toml
+++ b/examples/android/lib/Cargo.toml
@@ -3,6 +3,7 @@ name = "servo_media_android"
 description = "Android lib to use Servo Media from Android Java"
 version = "0.1.0"
 authors = ["Fernando Jiménez Moreno <ferjmoreno@gmail.com>"]
+license = "MPL-2.0"
 
 [lib]
 crate-type = ["cdylib"]
diff --git a/servo-media-derive/Cargo.toml b/servo-media-derive/Cargo.toml
index 874f727c..4fe16f40 100644
--- a/servo-media-derive/Cargo.toml
+++ b/servo-media-derive/Cargo.toml
@@ -2,6 +2,7 @@
 name = "servo_media_derive"
 version = "0.1.0"
 authors = ["Fernando Jiménez Moreno <ferjmoreno@gmail.com>"]
+license = "MPL-2.0"
 
 [lib]
 name = "servo_media_derive"
diff --git a/servo-media/Cargo.toml b/servo-media/Cargo.toml
index e4406fe2..8652b8ae 100644
--- a/servo-media/Cargo.toml
+++ b/servo-media/Cargo.toml
@@ -2,6 +2,7 @@
 name = "servo-media"
 version = "0.1.0"
 authors = ["Manish Goregaokar <manishsmail@gmail.com>"]
+license = "MPL-2.0"
 
 [lib]
 name = "servo_media"
diff --git a/streams/Cargo.toml b/streams/Cargo.toml
index 30a387a2..83363ca8 100644
--- a/streams/Cargo.toml
+++ b/streams/Cargo.toml
@@ -3,6 +3,7 @@ name = "servo-media-streams"
 version = "0.1.0"
 authors = ["Manish Goregaokar <manishsmail@gmail.com>"]
 edition = "2018"
+license = "MPL-2.0"
 
 [lib]
 name = "servo_media_streams"
diff --git a/traits/Cargo.toml b/traits/Cargo.toml
index d4360ec6..ed89840a 100644
--- a/traits/Cargo.toml
+++ b/traits/Cargo.toml
@@ -2,6 +2,7 @@
 name = "servo-media-traits"
 version = "0.1.0"
 authors = ["The Servo Project Developers"]
+license = "MPL-2.0"
 
 [lib]
 name = "servo_media_traits"
diff --git a/webrtc/Cargo.toml b/webrtc/Cargo.toml
index e3e3d749..a8347545 100644
--- a/webrtc/Cargo.toml
+++ b/webrtc/Cargo.toml
@@ -2,6 +2,7 @@
 name = "servo-media-webrtc"
 version = "0.1.0"
 authors = ["Josh Matthews <josh@joshmatthews.net>"]
+license = "MPL-2.0"
 
 [lib]
 path = "lib.rs"