diff --git a/docs/conf.py b/docs/conf.py
index fe6d6e19..5e4769ae 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -52,7 +52,7 @@ master_doc = "index"
 
 # General information about the project.
 project = "Dependency Injector"
-copyright = "2021, Roman Mogylatov"
+copyright = "2022, Roman Mogylatov"
 author = "Roman Mogylatov"
 
 # The version info for the project you"re documenting, acts as replacement for
diff --git a/examples/miniapps/fastapi-redis/README.rst b/examples/miniapps/fastapi-redis/README.rst
index 2daa0f4b..931cfbed 100644
--- a/examples/miniapps/fastapi-redis/README.rst
+++ b/examples/miniapps/fastapi-redis/README.rst
@@ -24,31 +24,31 @@ The output should be something like:
 
 .. code-block::
 
-   redis_1    | 1:C 04 Jan 2021 02:42:14.115 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
-   redis_1    | 1:C 04 Jan 2021 02:42:14.115 # Redis version=6.0.9, bits=64, commit=00000000, modified=0, pid=1, just started
-   redis_1    | 1:C 04 Jan 2021 02:42:14.115 # Configuration loaded
-   redis_1    | 1:M 04 Jan 2021 02:42:14.116 * Running mode=standalone, port=6379.
-   redis_1    | 1:M 04 Jan 2021 02:42:14.116 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
-   redis_1    | 1:M 04 Jan 2021 02:42:14.116 # Server initialized
-   redis_1    | 1:M 04 Jan 2021 02:42:14.117 * Loading RDB produced by version 6.0.9
-   redis_1    | 1:M 04 Jan 2021 02:42:14.117 * RDB age 1 seconds
-   redis_1    | 1:M 04 Jan 2021 02:42:14.117 * RDB memory usage when created 0.77 Mb
-   redis_1    | 1:M 04 Jan 2021 02:42:14.117 * DB loaded from disk: 0.000 seconds
-   redis_1    | 1:M 04 Jan 2021 02:42:14.117 * Ready to accept connections
+   redis_1    | 1:C 04 Jan 2022 02:42:14.115 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
+   redis_1    | 1:C 04 Jan 2022 02:42:14.115 # Redis version=6.0.9, bits=64, commit=00000000, modified=0, pid=1, just started
+   redis_1    | 1:C 04 Jan 2022 02:42:14.115 # Configuration loaded
+   redis_1    | 1:M 04 Jan 2022 02:42:14.116 * Running mode=standalone, port=6379.
+   redis_1    | 1:M 04 Jan 2022 02:42:14.116 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
+   redis_1    | 1:M 04 Jan 2022 02:42:14.116 # Server initialized
+   redis_1    | 1:M 04 Jan 2022 02:42:14.117 * Loading RDB produced by version 6.0.9
+   redis_1    | 1:M 04 Jan 2022 02:42:14.117 * RDB age 1 seconds
+   redis_1    | 1:M 04 Jan 2022 02:42:14.117 * RDB memory usage when created 0.77 Mb
+   redis_1    | 1:M 04 Jan 2022 02:42:14.117 * DB loaded from disk: 0.000 seconds
+   redis_1    | 1:M 04 Jan 2022 02:42:14.117 * Ready to accept connections
    redis_1    | 1:signal-handler (1609728137) Received SIGTERM scheduling shutdown...
-   redis_1    | 1:M 04 Jan 2021 02:42:17.984 # User requested shutdown...
-   redis_1    | 1:M 04 Jan 2021 02:42:17.984 # Redis is now ready to exit, bye bye...
-   redis_1    | 1:C 04 Jan 2021 02:42:22.035 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
-   redis_1    | 1:C 04 Jan 2021 02:42:22.035 # Redis version=6.0.9, bits=64, commit=00000000, modified=0, pid=1, just started
-   redis_1    | 1:C 04 Jan 2021 02:42:22.035 # Configuration loaded
-   redis_1    | 1:M 04 Jan 2021 02:42:22.037 * Running mode=standalone, port=6379.
-   redis_1    | 1:M 04 Jan 2021 02:42:22.037 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
-   redis_1    | 1:M 04 Jan 2021 02:42:22.037 # Server initialized
-   redis_1    | 1:M 04 Jan 2021 02:42:22.037 * Loading RDB produced by version 6.0.9
-   redis_1    | 1:M 04 Jan 2021 02:42:22.037 * RDB age 9 seconds
-   redis_1    | 1:M 04 Jan 2021 02:42:22.037 * RDB memory usage when created 0.77 Mb
-   redis_1    | 1:M 04 Jan 2021 02:42:22.037 * DB loaded from disk: 0.000 seconds
-   redis_1    | 1:M 04 Jan 2021 02:42:22.037 * Ready to accept connections
+   redis_1    | 1:M 04 Jan 2022 02:42:17.984 # User requested shutdown...
+   redis_1    | 1:M 04 Jan 2022 02:42:17.984 # Redis is now ready to exit, bye bye...
+   redis_1    | 1:C 04 Jan 2022 02:42:22.035 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
+   redis_1    | 1:C 04 Jan 2022 02:42:22.035 # Redis version=6.0.9, bits=64, commit=00000000, modified=0, pid=1, just started
+   redis_1    | 1:C 04 Jan 2022 02:42:22.035 # Configuration loaded
+   redis_1    | 1:M 04 Jan 2022 02:42:22.037 * Running mode=standalone, port=6379.
+   redis_1    | 1:M 04 Jan 2022 02:42:22.037 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
+   redis_1    | 1:M 04 Jan 2022 02:42:22.037 # Server initialized
+   redis_1    | 1:M 04 Jan 2022 02:42:22.037 * Loading RDB produced by version 6.0.9
+   redis_1    | 1:M 04 Jan 2022 02:42:22.037 * RDB age 9 seconds
+   redis_1    | 1:M 04 Jan 2022 02:42:22.037 * RDB memory usage when created 0.77 Mb
+   redis_1    | 1:M 04 Jan 2022 02:42:22.037 * DB loaded from disk: 0.000 seconds
+   redis_1    | 1:M 04 Jan 2022 02:42:22.037 * Ready to accept connections
    example_1  | INFO:     Started server process [1]
    example_1  | INFO:     Waiting for application startup.
    example_1  | INFO:     Application startup complete.
diff --git a/examples/miniapps/fastapi-sqlalchemy/README.rst b/examples/miniapps/fastapi-sqlalchemy/README.rst
index 688723b9..9c305f18 100644
--- a/examples/miniapps/fastapi-sqlalchemy/README.rst
+++ b/examples/miniapps/fastapi-sqlalchemy/README.rst
@@ -29,15 +29,15 @@ The output should be something like:
 
    Starting fastapi-sqlalchemy_webapp_1 ... done
    Attaching to fastapi-sqlalchemy_webapp_1
-   webapp_1  | 2021-02-04 22:07:19,804 INFO sqlalchemy.engine.base.Engine SELECT CAST('test plain returns' AS VARCHAR(60)) AS anon_1
-   webapp_1  | 2021-02-04 22:07:19,804 INFO sqlalchemy.engine.base.Engine ()
-   webapp_1  | 2021-02-04 22:07:19,804 INFO sqlalchemy.engine.base.Engine SELECT CAST('test unicode returns' AS VARCHAR(60)) AS anon_1
-   webapp_1  | 2021-02-04 22:07:19,804 INFO sqlalchemy.engine.base.Engine ()
-   webapp_1  | 2021-02-04 22:07:19,805 INFO sqlalchemy.engine.base.Engine PRAGMA main.table_info("users")
-   webapp_1  | 2021-02-04 22:07:19,805 INFO sqlalchemy.engine.base.Engine ()
-   webapp_1  | 2021-02-04 22:07:19,808 INFO sqlalchemy.engine.base.Engine PRAGMA temp.table_info("users")
-   webapp_1  | 2021-02-04 22:07:19,808 INFO sqlalchemy.engine.base.Engine ()
-   webapp_1  | 2021-02-04 22:07:19,809 INFO sqlalchemy.engine.base.Engine
+   webapp_1  | 2022-02-04 22:07:19,804 INFO sqlalchemy.engine.base.Engine SELECT CAST('test plain returns' AS VARCHAR(60)) AS anon_1
+   webapp_1  | 2022-02-04 22:07:19,804 INFO sqlalchemy.engine.base.Engine ()
+   webapp_1  | 2022-02-04 22:07:19,804 INFO sqlalchemy.engine.base.Engine SELECT CAST('test unicode returns' AS VARCHAR(60)) AS anon_1
+   webapp_1  | 2022-02-04 22:07:19,804 INFO sqlalchemy.engine.base.Engine ()
+   webapp_1  | 2022-02-04 22:07:19,805 INFO sqlalchemy.engine.base.Engine PRAGMA main.table_info("users")
+   webapp_1  | 2022-02-04 22:07:19,805 INFO sqlalchemy.engine.base.Engine ()
+   webapp_1  | 2022-02-04 22:07:19,808 INFO sqlalchemy.engine.base.Engine PRAGMA temp.table_info("users")
+   webapp_1  | 2022-02-04 22:07:19,808 INFO sqlalchemy.engine.base.Engine ()
+   webapp_1  | 2022-02-04 22:07:19,809 INFO sqlalchemy.engine.base.Engine
    webapp_1  | CREATE TABLE users (
    webapp_1  | 	id INTEGER NOT NULL,
    webapp_1  | 	email VARCHAR,
@@ -49,8 +49,8 @@ The output should be something like:
    webapp_1  | )
    webapp_1  |
    webapp_1  |
-   webapp_1  | 2021-02-04 22:07:19,810 INFO sqlalchemy.engine.base.Engine ()
-   webapp_1  | 2021-02-04 22:07:19,821 INFO sqlalchemy.engine.base.Engine COMMIT
+   webapp_1  | 2022-02-04 22:07:19,810 INFO sqlalchemy.engine.base.Engine ()
+   webapp_1  | 2022-02-04 22:07:19,821 INFO sqlalchemy.engine.base.Engine COMMIT
    webapp_1  | INFO:     Started server process [8]
    webapp_1  | INFO:     Waiting for application startup.
    webapp_1  | INFO:     Application startup complete.
diff --git a/examples/providers/configuration/configuration_value.py b/examples/providers/configuration/configuration_value.py
index 456af119..267c5d25 100644
--- a/examples/providers/configuration/configuration_value.py
+++ b/examples/providers/configuration/configuration_value.py
@@ -13,12 +13,12 @@ class Container(containers.DeclarativeContainer):
 if __name__ == "__main__":
     container = Container()
 
-    container.config.option1.from_value(date(2021, 6, 13))
-    container.config.option2.from_value(date(2021, 6, 14))
+    container.config.option1.from_value(date(2022, 3, 13))
+    container.config.option2.from_value(date(2022, 3, 14))
 
     assert container.config() == {
-        "option1": date(2021, 6, 13),
-        "option2": date(2021, 6, 14),
+        "option1": date(2022, 3, 13),
+        "option2": date(2022, 3, 14),
     }
-    assert container.config.option1() == date(2021, 6, 13)
-    assert container.config.option2() == date(2021, 6, 14)
+    assert container.config.option1() == date(2022, 3, 13)
+    assert container.config.option2() == date(2022, 3, 14)