diff --git a/bale.nimble b/bale.nimble
index 69bc917..a5e0f11 100644
--- a/bale.nimble
+++ b/bale.nimble
@@ -1,6 +1,6 @@
 # Package
 
-version       = "0.0.1"
+version       = "0.0.2"
 author        = "hamidb80"
 description   = "Bale.ai Bot API client"
 license       = "MIT"
diff --git a/src/bale.nim b/src/bale.nim
index ad0743e..6d25903 100644
--- a/src/bale.nim
+++ b/src/bale.nim
@@ -113,7 +113,7 @@ defFields User, {
   id: int,
   username: string,
   first_name: string,
-  last_name: string,
+  last_name: Option[string],
   language_code: Option[string],
   is_bot: bool}
 
diff --git a/tests/test1 b/tests/test1
new file mode 100755
index 0000000..561b6a2
Binary files /dev/null and b/tests/test1 differ