diff --git a/src/appkit/event/mod.rs b/src/appkit/event/mod.rs
index 8dd8839..0119af1 100644
--- a/src/appkit/event/mod.rs
+++ b/src/appkit/event/mod.rs
@@ -184,6 +184,8 @@ pub enum EventModifierFlag {
     Control,
     Option,
     Command,
+    Numpad,
+    Help,
     Function,
     DeviceIndependentFlagsMask
 }
@@ -196,6 +198,8 @@ impl From<EventModifierFlag> for NSUInteger {
             EventModifierFlag::Control => 1 << 18,
             EventModifierFlag::Option => 1 << 19,
             EventModifierFlag::Command => 1 << 20,
+            EventModifierFlag::Numpad => 1 << 21,
+            EventModifierFlag::Help => 1 << 22,
             EventModifierFlag::Function => 1 << 23,
             EventModifierFlag::DeviceIndependentFlagsMask => 0xffff0000
         }
@@ -210,6 +214,8 @@ impl From<&EventModifierFlag> for NSUInteger {
             EventModifierFlag::Control => 1 << 18,
             EventModifierFlag::Option => 1 << 19,
             EventModifierFlag::Command => 1 << 20,
+            EventModifierFlag::Numpad => 1 << 21,
+            EventModifierFlag::Help => 1 << 22,
             EventModifierFlag::Function => 1 << 23,
             EventModifierFlag::DeviceIndependentFlagsMask => 0xffff0000
         }
diff --git a/src/events.rs b/src/events.rs
index d08afac..da2be19 100644
--- a/src/events.rs
+++ b/src/events.rs
@@ -21,6 +21,12 @@ pub enum EventModifierFlag {
     /// Command (CMD) is held.
     Command,
 
+    /// Nnumeric keypad or an arrow key has been pressed.
+    Numpad,
+
+    /// The Help key has been pressed
+    Help,
+
     /// Function (🌐) is held or a function key has been pressed.
     Function,
 
@@ -36,6 +42,8 @@ impl From<EventModifierFlag> for NSUInteger {
             EventModifierFlag::Control => 1 << 18,
             EventModifierFlag::Option => 1 << 19,
             EventModifierFlag::Command => 1 << 20,
+            EventModifierFlag::Numpad => 1 << 21,
+            EventModifierFlag::Help => 1 << 22,
             EventModifierFlag::Function => 1 << 23,
             EventModifierFlag::DeviceIndependentFlagsMask => 0xffff0000
         }
@@ -50,6 +58,8 @@ impl From<&EventModifierFlag> for NSUInteger {
             EventModifierFlag::Control => 1 << 18,
             EventModifierFlag::Option => 1 << 19,
             EventModifierFlag::Command => 1 << 20,
+            EventModifierFlag::Numpad => 1 << 21,
+            EventModifierFlag::Help => 1 << 22,
             EventModifierFlag::Function => 1 << 23,
             EventModifierFlag::DeviceIndependentFlagsMask => 0xffff0000
         }