diff --git a/README.rst b/README.rst
index a7347028..f01cedad 100644
--- a/README.rst
+++ b/README.rst
@@ -167,7 +167,6 @@ framework:
        container.config.timeout.from_env('TIMEOUT')
 
        service = container.service()
-       assert isinstance(service.api_client, ApiClient)
 
 Retrieving of the ``Service`` instance now is done like this ``container.service()``.
 
diff --git a/docs/main/changelog.rst b/docs/main/changelog.rst
index 1061b171..9d6fa90b 100644
--- a/docs/main/changelog.rst
+++ b/docs/main/changelog.rst
@@ -7,6 +7,10 @@ that were made in every particular version.
 From version 0.7.6 *Dependency Injector* framework strictly 
 follows `Semantic versioning`_
 
+3.30.4
+------
+- Update README.
+
 3.30.3
 ------
 - Update README.
diff --git a/examples/di_demo2/demo.py b/examples/di_demo2/demo.py
index 02d49f09..df99e433 100644
--- a/examples/di_demo2/demo.py
+++ b/examples/di_demo2/demo.py
@@ -36,4 +36,3 @@ if __name__ == '__main__':
     container.config.timeout.from_env('TIMEOUT')
 
     service = container.service()
-    assert isinstance(service.api_client, ApiClient)
diff --git a/src/dependency_injector/__init__.py b/src/dependency_injector/__init__.py
index fa0c9dcd..1cd8610e 100644
--- a/src/dependency_injector/__init__.py
+++ b/src/dependency_injector/__init__.py
@@ -1,6 +1,6 @@
 """Dependency injector top-level package."""
 
-__version__ = '3.30.3'
+__version__ = '3.30.4'
 """Version number that follows semantic versioning.
 
 :type: str