diff --git a/pyproject.toml b/pyproject.toml
index ae537c3aabc3ddd28894a91d50ac284c99629c97..f9faab2e4da6e070f226aadef7c48f02a3f4ba24 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "calendarweek"
-version = "0.5.2"
+version = "0.5.3"
 description = "Utilities for working with calendar weeks in Python and Django"
 authors = ["Dominik George <nik@naturalnet.de>", "Jonathan Weth <git@jonathanweth.de>"]
 license = "Apache-2.0"