diff --git a/Cargo.toml b/Cargo.toml
index 7e46fb3..2534aa8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,9 +7,9 @@ default-members = ["lighthouse-client"]
 resolver = "2"
 
 [workspace.package]
-version = "5.1.6"
+version = "6.0.0"
 edition = "2021"
 license = "MIT"
 
 [workspace.dependencies]
-lighthouse-protocol = { version = "^5.1.6", path = "lighthouse-protocol" }
+lighthouse-protocol = { version = "^6.0.0", path = "lighthouse-protocol" }
diff --git a/lighthouse-protocol/src/input/input_event.rs b/lighthouse-protocol/src/input/input_event.rs
index 0fe5fd8..a78fd5f 100644
--- a/lighthouse-protocol/src/input/input_event.rs
+++ b/lighthouse-protocol/src/input/input_event.rs
@@ -2,7 +2,7 @@ use serde::{Deserialize, Serialize};
 
 use crate::Direction;
 
-use super::{EventSource, GamepadEvent, KeyEvent, MouseEvent};
+use super::{EventSource, GamepadEvent, KeyEvent, MouseEvent, UnknownEvent};
 
 /// A user input event, as generated by the new frontend (LUNA).
 #[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
@@ -11,6 +11,8 @@ pub enum InputEvent {
     Key(KeyEvent),
     Mouse(MouseEvent),
     Gamepad(GamepadEvent),
+    #[serde(untagged)]
+    Unknown(UnknownEvent),
 }
 
 impl InputEvent {
@@ -20,6 +22,7 @@ impl InputEvent {
             InputEvent::Key(KeyEvent { source, .. }) => source,
             InputEvent::Mouse(MouseEvent { source, .. }) => source,
             InputEvent::Gamepad(GamepadEvent { source, .. }) => source,
+            InputEvent::Unknown(UnknownEvent { source, .. }) => source,
         }
     }
 
@@ -53,7 +56,7 @@ impl InputEvent {
 mod tests {
     use serde_json::json;
 
-    use crate::{Delta, EventSource, GamepadAxis2DEvent, GamepadAxisEvent, GamepadButtonEvent, GamepadControlEvent, GamepadEvent, InputEvent, KeyEvent, KeyModifiers, MouseButton, MouseEvent, Pos, Vec2};
+    use crate::{Delta, EventSource, GamepadAxis2DEvent, GamepadAxisEvent, GamepadButtonEvent, GamepadControlEvent, GamepadEvent, InputEvent, KeyEvent, KeyModifiers, MouseButton, MouseEvent, Pos, UnknownEvent, Vec2};
 
     #[test]
     fn key_event() {
@@ -174,4 +177,21 @@ mod tests {
             })
         );
     }
+
+    #[test]
+    fn unknown_event() {
+        assert_eq!(
+            serde_json::from_value::<InputEvent>(json!({
+                "type": "someEventWeDoNotKnowAbout",
+                "source": 1,
+                "possibly": "abc",
+                "more": "def",
+                "fields": "ghi"
+            })).unwrap(),
+            InputEvent::Unknown(UnknownEvent {
+                source: EventSource::Int(1),
+                event_type: "someEventWeDoNotKnowAbout".into(),
+            })
+        )
+    }
 }
diff --git a/lighthouse-protocol/src/input/mod.rs b/lighthouse-protocol/src/input/mod.rs
index 463661c..dd05c64 100644
--- a/lighthouse-protocol/src/input/mod.rs
+++ b/lighthouse-protocol/src/input/mod.rs
@@ -10,6 +10,7 @@ mod key_modifiers;
 mod legacy_input_event;
 mod mouse_button;
 mod mouse_event;
+mod unknown_event;
 
 pub use event_source::*;
 pub use gamepad_axis_2d_event::*;
@@ -23,3 +24,4 @@ pub use key_modifiers::*;
 pub use legacy_input_event::*;
 pub use mouse_button::*;
 pub use mouse_event::*;
+pub use unknown_event::*;
diff --git a/lighthouse-protocol/src/input/unknown_event.rs b/lighthouse-protocol/src/input/unknown_event.rs
new file mode 100644
index 0000000..e6673b4
--- /dev/null
+++ b/lighthouse-protocol/src/input/unknown_event.rs
@@ -0,0 +1,14 @@
+use serde::{Deserialize, Serialize};
+
+use super::EventSource;
+
+/// A gamepad/controller event.
+#[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct UnknownEvent {
+    /// The event type.
+    #[serde(rename = "type")]
+    pub event_type: String,
+    /// The client identifier. Also unique per gamepad.
+    pub source: EventSource,
+}