diff --git a/deep_translator/constants.py b/deep_translator/constants.py
index 447c81f..57ccc1c 100644
--- a/deep_translator/constants.py
+++ b/deep_translator/constants.py
@@ -548,6 +548,7 @@
 }
 
 DEEPL_LANGUAGE_TO_CODE = {
+    "arabic": "ar",
     "bulgarian": "bg",
     "czech": "cs",
     "danish": "da",