diff --git a/glfw/wl_platform.h b/glfw/wl_platform.h
index 30b2ce56e..a54560dcb 100644
--- a/glfw/wl_platform.h
+++ b/glfw/wl_platform.h
@@ -130,6 +130,10 @@ typedef enum WaylandWindowState {
     TOPLEVEL_STATE_TILED_TOP = 64,
     TOPLEVEL_STATE_TILED_BOTTOM = 128,
     TOPLEVEL_STATE_SUSPENDED = 256,
+    TOPLEVEL_STATE_CONSTRAINED_LEFT = 512,
+    TOPLEVEL_STATE_CONSTRAINED_RIGHT = 1024,
+    TOPLEVEL_STATE_CONSTRAINED_TOP = 2048,
+    TOPLEVEL_STATE_CONSTRAINED_BOTTOM = 4096,
 } WaylandWindowState;
 
 typedef struct glfw_wl_xdg_activation_request {
diff --git a/glfw/wl_window.c b/glfw/wl_window.c
index cfc6ec415..6847df273 100644
--- a/glfw/wl_window.c
+++ b/glfw/wl_window.c
@@ -679,6 +679,12 @@ xdgToplevelHandleConfigure(void* data,
 #ifdef XDG_TOPLEVEL_STATE_SUSPENDED_SINCE_VERSION
             C(TOPLEVEL_STATE_SUSPENDED);
 #endif
+#ifdef XDG_TOPLEVEL_STATE_CONSTRAINED_LEFT_SINCE_VERSION
+            C(TOPLEVEL_STATE_CONSTRAINED_LEFT);
+            C(TOPLEVEL_STATE_CONSTRAINED_RIGHT);
+            C(TOPLEVEL_STATE_CONSTRAINED_TOP);
+            C(TOPLEVEL_STATE_CONSTRAINED_BOTTOM);
+#endif
 #undef C
         }
     }