diff --git a/construct_typed/version.py b/construct_typed/version.py
index d45bb91..189fcc4 100644
--- a/construct_typed/version.py
+++ b/construct_typed/version.py
@@ -1,2 +1,2 @@
-version = (0, 3, 0)
-version_string = "0.3.0"
\ No newline at end of file
+version = (0, 4, 0)
+version_string = "0.4.0"
\ No newline at end of file