diff --git a/src/InputCharacter.php b/src/InputCharacter.php
index 244ea7d..4aec960 100644
--- a/src/InputCharacter.php
+++ b/src/InputCharacter.php
@@ -26,6 +26,7 @@ class InputCharacter
     public const CTRLW = 'CTRLW';
     public const ENTER = 'ENTER';
     public const TAB = 'TAB';
+    public const ESC = 'ESC';
 
     private static $controls = [
         "\033[A" => self::UP,
@@ -41,6 +42,7 @@ class InputCharacter
         "\027"   => self::CTRLW,
         "\n"     => self::ENTER,
         "\t"     => self::TAB,
+        "\e"     => self::ESC,
     ];
 
     public function __construct(string $data)
diff --git a/test/InputCharacterTest.php b/test/InputCharacterTest.php
index b166c8f..0adabd5 100644
--- a/test/InputCharacterTest.php
+++ b/test/InputCharacterTest.php
@@ -58,6 +58,7 @@ public function testGetControls() : void
                 'CTRLW',
                 'ENTER',
                 'TAB',
+                'ESC',
             ],
             InputCharacter::getControls()
         );