diff --git a/pydantic/version.py b/pydantic/version.py
index b948eb0..07702a9 100644
--- a/pydantic/version.py
+++ b/pydantic/version.py
@@ -1,6 +1,6 @@
 __all__ = ['VERSION', 'version_info']
 
-VERSION = '1.3a1'
+VERSION = '1.4a1'
 
 
 def version_info() -> str: