diff --git a/Cargo.lock b/Cargo.lock
index 03c85bbb277..d9169776682 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5927,7 +5927,7 @@ dependencies = [
 [[package]]
 name = "webxr"
 version = "0.0.1"
-source = "git+https://github.com/servo/webxr#ec49fdd1c1a7e45a2dfde2f4a7f07e9581f386ef"
+source = "git+https://github.com/servo/webxr#61344bc5d92bc218458063baa7bc5d2d388aa7f5"
 dependencies = [
  "bindgen",
  "euclid",
@@ -5945,7 +5945,7 @@ dependencies = [
 [[package]]
 name = "webxr-api"
 version = "0.0.1"
-source = "git+https://github.com/servo/webxr#ec49fdd1c1a7e45a2dfde2f4a7f07e9581f386ef"
+source = "git+https://github.com/servo/webxr#61344bc5d92bc218458063baa7bc5d2d388aa7f5"
 dependencies = [
  "euclid",
  "gleam 0.6.18",
diff --git a/components/script/dom/xrsession.rs b/components/script/dom/xrsession.rs
index 35593b10a99..1e63bdb2eaa 100644
--- a/components/script/dom/xrsession.rs
+++ b/components/script/dom/xrsession.rs
@@ -48,7 +48,7 @@ use profile_traits::ipc;
 use std::cell::Cell;
 use std::mem;
 use std::rc::Rc;
-use webxr_api::{self, Event as XREvent, Frame, SelectEvent, Session};
+use webxr_api::{self, EnvironmentBlendMode, Event as XREvent, Frame, SelectEvent, Session};
 
 #[dom_struct]
 pub struct XRSession {
@@ -84,8 +84,7 @@ impl XRSession {
         XRSession {
             eventtarget: EventTarget::new_inherited(),
             base_layer: Default::default(),
-            // we don't yet support any AR devices
-            blend_mode: XREnvironmentBlendMode::Opaque,
+            blend_mode: session.environment_blend_mode().into(),
             viewer_space: Default::default(),
             session: DomRefCell::new(session),
             frame_requested: Cell::new(false),
@@ -463,3 +462,13 @@ pub fn cast_transform<T, U, V, W>(
 ) -> RigidTransform3D<f32, V, W> {
     unsafe { mem::transmute(transform) }
 }
+
+impl From<EnvironmentBlendMode> for XREnvironmentBlendMode {
+    fn from(x: EnvironmentBlendMode) -> Self {
+        match x {
+            EnvironmentBlendMode::Opaque => XREnvironmentBlendMode::Opaque,
+            EnvironmentBlendMode::AlphaBlend => XREnvironmentBlendMode::Alpha_blend,
+            EnvironmentBlendMode::Additive => XREnvironmentBlendMode::Additive,
+        }
+    }
+}