diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 6a197be..4ce109a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.17.0"
+  ".": "1.18.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a414c20..3237c3f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,24 @@
 # Changelog
 
+## [1.18.0](https://github.com/browserbase/sdk-python/compare/v1.17.0...v1.18.0) (2026-08-25)
+
+
+### Features
+
+* **sessions:** support expiresIn for debug URLs ([349a658](https://github.com/browserbase/sdk-python/commit/349a6589a9ddfedb33009c4c29a300c52fc89740))
+
+
+### Bug Fixes
+
+* **client:** omit Content-Type on bodyless DELETE requests ([#4](https://github.com/browserbase/sdk-python/issues/4)) ([24602da](https://github.com/browserbase/sdk-python/commit/24602da3e68397df53a5748f3431b6d9e75c9039))
+
+
+### Chores
+
+* add CODEOWNERS — core-browser owns this repo ([#174](https://github.com/browserbase/sdk-python/issues/174)) ([530eb39](https://github.com/browserbase/sdk-python/commit/530eb3932af843bd84482dceba0c6979da9ffeb4))
+* add CODEOWNERS — core-browser owns this repo ([#3](https://github.com/browserbase/sdk-python/issues/3)) ([857be9b](https://github.com/browserbase/sdk-python/commit/857be9bbed5d3ffea5dc80cc8a2f1d7e45f0b9b4))
+* reconcile trunk fork from independently-added CODEOWNERS ([0cb3b5d](https://github.com/browserbase/sdk-python/commit/0cb3b5d8b21d04920dedbf5dee4e449fe2269e3b))
+
 ## [1.17.0](https://github.com/browserbase/sdk-python/compare/v1.16.0...v1.17.0) (2026-08-14)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 9bd12c8..f58ded4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "browserbase"
-version = "1.17.0"
+version = "1.18.0"
 description = "The official Python library for the Browserbase API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/browserbase/_version.py b/src/browserbase/_version.py
index aeb08c9..4473146 100644
--- a/src/browserbase/_version.py
+++ b/src/browserbase/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "browserbase"
-__version__ = "1.17.0"  # x-release-please-version
+__version__ = "1.18.0"  # x-release-please-version