diff --git a/dalle2_pytorch/version.py b/dalle2_pytorch/version.py
index aece342..a68d2bd 100644
--- a/dalle2_pytorch/version.py
+++ b/dalle2_pytorch/version.py
@@ -1 +1 @@
-__version__ = '0.6.2'
+__version__ = '0.6.3'
diff --git a/setup.py b/setup.py
index f83eb09..199007f 100644
--- a/setup.py
+++ b/setup.py
@@ -32,6 +32,7 @@ setup(
     'embedding-reader',
     'kornia>=0.5.4',
     'numpy',
+    'packaging',
     'pillow',
     'pydantic',
     'resize-right>=0.0.2',