diff --git a/components/script/dom/webidls/XRSession.webidl b/components/script/dom/webidls/XRSession.webidl
index 507579225ab..be8fb36e7bf 100644
--- a/components/script/dom/webidls/XRSession.webidl
+++ b/components/script/dom/webidls/XRSession.webidl
@@ -42,5 +42,5 @@ interface XRSession : EventTarget {
   // attribute EventHandler oninputsourceschange;
   attribute EventHandler onselectstart;
   attribute EventHandler onselectend;
-  // attribute EventHandler onvisibilitychange;
+  attribute EventHandler onvisibilitychange;
 };
diff --git a/components/script/dom/xrsession.rs b/components/script/dom/xrsession.rs
index ba133ed1d7c..3451bb55467 100644
--- a/components/script/dom/xrsession.rs
+++ b/components/script/dom/xrsession.rs
@@ -49,7 +49,9 @@ use profile_traits::ipc;
 use std::cell::Cell;
 use std::mem;
 use std::rc::Rc;
-use webxr_api::{self, EnvironmentBlendMode, Event as XREvent, Frame, SelectEvent, Session, Visibility};
+use webxr_api::{
+    self, EnvironmentBlendMode, Event as XREvent, Frame, SelectEvent, Session, Visibility,
+};
 
 #[dom_struct]
 pub struct XRSession {
@@ -313,6 +315,13 @@ impl XRSessionMethods for XRSession {
     /// https://immersive-web.github.io/webxr/#eventdef-xrsession-selectend
     event_handler!(selectend, GetOnselectend, SetOnselectend);
 
+    /// https://immersive-web.github.io/webxr/#eventdef-xrsession-visibilitychange
+    event_handler!(
+        visibilitychange,
+        GetOnvisibilitychange,
+        SetOnvisibilitychange
+    );
+
     // https://immersive-web.github.io/webxr/#dom-xrsession-renderstate
     fn RenderState(&self) -> DomRoot<XRRenderState> {
         self.active_render_state.get()
diff --git a/tests/wpt/metadata/webxr/idlharness.https.window.js.ini b/tests/wpt/metadata/webxr/idlharness.https.window.js.ini
index 109add21c4b..a48d48dd278 100644
--- a/tests/wpt/metadata/webxr/idlharness.https.window.js.ini
+++ b/tests/wpt/metadata/webxr/idlharness.https.window.js.ini
@@ -14,9 +14,6 @@
   [XR interface: calling supportsSession(XRSessionMode) on navigator.xr with too few arguments must throw TypeError]
     expected: FAIL
 
-  [XRSession interface: attribute onvisibilitychange]
-    expected: FAIL
-
   [XRInputSourcesChangeEvent interface object length]
     expected: FAIL