diff --git a/CHANGELOG.md b/CHANGELOG.md
index 30662d4ae..e63ebce05 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.20.0](https://github.com/googleapis/python-genai/compare/v2.19.0...v2.20.0) (2026-08-20)
+
+
+### Features
+
+* Add TYPE_JPEG2000 to VideoContent.MimeType enum ([ef39c40](https://github.com/googleapis/python-genai/commit/ef39c40eb053aecdf0ae791410ecfe598281252d))
+
 ## [2.19.0](https://github.com/googleapis/python-genai/compare/v2.18.1...v2.19.0) (2026-08-19)
 
 
diff --git a/google/genai/version.py b/google/genai/version.py
index 14d9dd7d2..ce8c0efd4 100644
--- a/google/genai/version.py
+++ b/google/genai/version.py
@@ -13,4 +13,4 @@
 # limitations under the License.
 #
 
-__version__ = '2.19.0' # x-release-please-version
+__version__ = '2.20.0' # x-release-please-version
diff --git a/pyproject.toml b/pyproject.toml
index d6dbc941b..10a794bc7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ requires = ["setuptools", "wheel", "twine>=6.1.0", "packaging>=24.2", "pkginfo>=
 
 [project]
 name = "google-genai"
-version = "2.19.0"
+version = "2.20.0"
 description = "GenAI Python SDK"
 readme = "README.md"
 license = "Apache-2.0"