diff --git a/src/dependency_injector/__init__.py b/src/dependency_injector/__init__.py
index e7db2ef8..5d356182 100644
--- a/src/dependency_injector/__init__.py
+++ b/src/dependency_injector/__init__.py
@@ -1,6 +1,6 @@
 """Dependency injector top-level package."""
 
-__version__ = '3.19.0a2'
+__version__ = '3.19.0a3'
 """Version number that follows semantic versioning.
 
 :type: str