diff --git a/CHANGELOG.md b/CHANGELOG.md
index 14efeda8..8aec9237 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [2.0a12] - 2023-11-?? :fallen_leaf:
+## [2.0a12] - 2023-11-17 :fallen_leaf:
 
 - Adds support for Python 3.12, by @bymoye
 - Replaces `pkg_resources` with `importlib.resources` for all supported Python
@@ -13,6 +13,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Runs tests against Pydantic `2.4.2` instead of Pydantic `2.0` to check
   support for Pydantic v2.
 - Upgrades dependencies.
+- Adds `.webp` and `.webm` to the list of extensions of files that are served
+  by default.
 
 ## [2.0a11] - 2023-09-19 :warning:
 
diff --git a/blacksheep/__init__.py b/blacksheep/__init__.py
index ad9f2e5d..6799e8f3 100644
--- a/blacksheep/__init__.py
+++ b/blacksheep/__init__.py
@@ -3,7 +3,7 @@
 used types to reduce the verbosity of the imports statements.
 """
 __author__ = "Roberto Prevato <roberto.prevato@gmail.com>"
-__version__ = "2.0a11"
+__version__ = "2.0a12"
 
 from .contents import Content as Content
 from .contents import FormContent as FormContent
diff --git a/blacksheep/server/files/__init__.py b/blacksheep/server/files/__init__.py
index 65b9494e..89f0a64a 100644
--- a/blacksheep/server/files/__init__.py
+++ b/blacksheep/server/files/__init__.py
@@ -190,6 +190,8 @@ def get_default_extensions() -> Set[str]:
         ".svg",
         ".mp4",
         ".mp3",
+        ".webp",
+        ".webm",
     }