diff --git a/pixelgl/input.go b/pixelgl/input.go
index ff98805..d8cbf1b 100644
--- a/pixelgl/input.go
+++ b/pixelgl/input.go
@@ -372,7 +372,8 @@ func (w *Window) initInput() {
 	})
 }
 
-func (w *Window) updateInput() {
+// UpdateInput polls window events.
+func (w *Window) UpdateInput() {
 	mainthread.Call(func() {
 		glfw.PollEvents()
 	})
diff --git a/pixelgl/window.go b/pixelgl/window.go
index cb4dcf3..e501cc5 100644
--- a/pixelgl/window.go
+++ b/pixelgl/window.go
@@ -192,7 +192,7 @@ func (w *Window) Update() {
 		w.end()
 	})
 
-	w.updateInput()
+	w.UpdateInput()
 }
 
 // SetClosed sets the closed flag of the Window.