diff --git a/lib/pynput/keyboard/_uinput.py b/lib/pynput/keyboard/_uinput.py
index e6dae4fb..447df07e 100644
--- a/lib/pynput/keyboard/_uinput.py
+++ b/lib/pynput/keyboard/_uinput.py
@@ -109,6 +109,10 @@ class Key(enum.Enum):
     f18 = KeyCode._from_name('F18', 'KEY_F18')
     f19 = KeyCode._from_name('F19', 'KEY_F19')
     f20 = KeyCode._from_name('F20', 'KEY_F20')
+    f21 = KeyCode._from_name('F20', 'KEY_F21')
+    f22 = KeyCode._from_name('F20', 'KEY_F22')
+    f23 = KeyCode._from_name('F20', 'KEY_F23')
+    f24 = KeyCode._from_name('F20', 'KEY_F24')
     home = KeyCode._from_name('Home', 'KEY_HOME')
     left = KeyCode._from_name('Left', 'KEY_LEFT')
     page_down = KeyCode._from_name('Page_Down', 'KEY_PAGEDOWN')