diff --git a/go.mod b/go.mod
index 2471c34..67adf4e 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module git.tordarus.net/niri-tools/niri
 
-go 1.24.4
+go 1.25
 
 require (
 	git.tordarus.net/tordarus/channel v0.1.20
diff --git a/model_window.go b/model_window.go
index 84a82de..bf537af 100644
--- a/model_window.go
+++ b/model_window.go
@@ -5,14 +5,15 @@ import "encoding/json"
 type WindowID int
 
 type Window struct {
-	ID          WindowID    `json:"id"`
-	Title       string      `json:"title"`
-	AppID       string      `json:"app_id"`
-	PID         int         `json:"pid"`
-	WorkspaceID WorkspaceID `json:"workspace_id"`
-	Urgent      bool        `json:"is_urgent"`
-	Floating    bool        `json:"is_floating"`
-	Focused     bool        `json:"is_focused"`
+	ID          WindowID     `json:"id"`
+	Title       string       `json:"title"`
+	AppID       string       `json:"app_id"`
+	PID         int          `json:"pid"`
+	WorkspaceID WorkspaceID  `json:"workspace_id"`
+	Urgent      bool         `json:"is_urgent"`
+	Floating    bool         `json:"is_floating"`
+	Focused     bool         `json:"is_focused"`
+	Layout      WindowLayout `json:"layout"`
 }
 
 func (m Window) String() string {
diff --git a/model_window_layout.go b/model_window_layout.go
new file mode 100644
index 0000000..4026207
--- /dev/null
+++ b/model_window_layout.go
@@ -0,0 +1,16 @@
+package niri
+
+import "encoding/json"
+
+type WindowLayout struct {
+	PosInScrollingLayout   Option[[2]int]     `json:"pos_in_scrolling_layout"`
+	TileSize               [2]float64         `json:"tile_size"`
+	WindowSize             [2]int             `json:"window_size"`
+	TilePosInWorkspaceView Option[[2]float64] `json:"tile_pos_in_workspace_view"`
+	WindowOffsetInTile     [2]float64         `json:"window_offset_in_tile"`
+}
+
+func (m WindowLayout) String() string {
+	data, _ := json.MarshalIndent(m, "", "\t")
+	return string(data)
+}