diff --git a/features/webusb.yml b/features/webusb.yml
index d5a7cadaacb..54d09b3aa2a 100644
--- a/features/webusb.yml
+++ b/features/webusb.yml
@@ -11,6 +11,7 @@ compat_features:
   - api.USB.disconnect_event
   - api.USB.getDevices
   - api.USB.requestDevice
+  - api.USB.worker_support
   - api.USBAlternateInterface
   - api.USBAlternateInterface.USBAlternateInterface
   - api.USBAlternateInterface.alternateSetting
@@ -19,14 +20,17 @@ compat_features:
   - api.USBAlternateInterface.interfaceName
   - api.USBAlternateInterface.interfaceProtocol
   - api.USBAlternateInterface.interfaceSubclass
+  - api.USBAlternateInterface.worker_support
   - api.USBConfiguration
   - api.USBConfiguration.USBConfiguration
   - api.USBConfiguration.configurationName
   - api.USBConfiguration.configurationValue
   - api.USBConfiguration.interfaces
+  - api.USBConfiguration.worker_support
   - api.USBConnectionEvent
   - api.USBConnectionEvent.USBConnectionEvent
   - api.USBConnectionEvent.device
+  - api.USBConnectionEvent.worker_support
   - api.USBDevice
   - api.USBDevice.claimInterface
   - api.USBDevice.clearHalt
@@ -60,40 +64,49 @@ compat_features:
   - api.USBDevice.usbVersionMinor
   - api.USBDevice.usbVersionSubminor
   - api.USBDevice.vendorId
+  - api.USBDevice.worker_support
   - api.USBEndpoint
   - api.USBEndpoint.USBEndpoint
   - api.USBEndpoint.direction
   - api.USBEndpoint.endpointNumber
   - api.USBEndpoint.packetSize
   - api.USBEndpoint.type
+  - api.USBEndpoint.worker_support
   - api.USBInTransferResult
   - api.USBInTransferResult.USBInTransferResult
   - api.USBInTransferResult.data
   - api.USBInTransferResult.status
+  - api.USBInTransferResult.worker_support
   - api.USBInterface
   - api.USBInterface.USBInterface
   - api.USBInterface.alternate
   - api.USBInterface.alternates
   - api.USBInterface.claimed
   - api.USBInterface.interfaceNumber
+  - api.USBInterface.worker_support
   - api.USBIsochronousInTransferPacket
   - api.USBIsochronousInTransferPacket.USBIsochronousInTransferPacket
   - api.USBIsochronousInTransferPacket.data
   - api.USBIsochronousInTransferPacket.status
+  - api.USBIsochronousInTransferPacket.worker_support
   - api.USBIsochronousInTransferResult
   - api.USBIsochronousInTransferResult.USBIsochronousInTransferResult
   - api.USBIsochronousInTransferResult.data
   - api.USBIsochronousInTransferResult.packets
+  - api.USBIsochronousInTransferResult.worker_support
   - api.USBIsochronousOutTransferPacket
   - api.USBIsochronousOutTransferPacket.USBIsochronousOutTransferPacket
   - api.USBIsochronousOutTransferPacket.bytesWritten
   - api.USBIsochronousOutTransferPacket.status
+  - api.USBIsochronousOutTransferPacket.worker_support
   - api.USBIsochronousOutTransferResult
   - api.USBIsochronousOutTransferResult.USBIsochronousOutTransferResult
   - api.USBIsochronousOutTransferResult.packets
+  - api.USBIsochronousOutTransferResult.worker_support
   - api.USBOutTransferResult
   - api.USBOutTransferResult.USBOutTransferResult
   - api.USBOutTransferResult.bytesWritten
   - api.USBOutTransferResult.status
+  - api.USBOutTransferResult.worker_support
   - api.WorkerNavigator.usb
   - http.headers.Permissions-Policy.usb
diff --git a/features/webusb.yml.dist b/features/webusb.yml.dist
index 7140f14a4b0..9591da0f105 100644
--- a/features/webusb.yml.dist
+++ b/features/webusb.yml.dist
@@ -120,4 +120,17 @@ compat_features:
 
   # baseline: false
   # support: {}
+  - api.USB.worker_support
+  - api.USBAlternateInterface.worker_support
+  - api.USBConfiguration.worker_support
+  - api.USBConnectionEvent.worker_support
+  - api.USBDevice.worker_support
+  - api.USBEndpoint.worker_support
+  - api.USBInTransferResult.worker_support
+  - api.USBInterface.worker_support
+  - api.USBIsochronousInTransferPacket.worker_support
+  - api.USBIsochronousInTransferResult.worker_support
+  - api.USBIsochronousOutTransferPacket.worker_support
+  - api.USBIsochronousOutTransferResult.worker_support
+  - api.USBOutTransferResult.worker_support
   - api.WorkerNavigator.usb