diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index a24ae611..b4da64f2 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.131.0"
+  ".": "0.132.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 037c5134..bd749034 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.132.0](https://github.com/kernel/kernel-python-sdk/compare/v0.131.0...v0.132.0) (2026-10-26)
+
+
+### Features
+
+* Return `last_used_at` on API keys ([001991a](https://github.com/kernel/kernel-python-sdk/commit/001991a2e6de75f1edd64983de583598ff208072))
+
 ## [0.131.0](https://github.com/kernel/kernel-python-sdk/compare/v0.130.0...v0.131.0) (2026-10-26)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index fa909a05..2b17777b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "kernel"
-version = "0.131.0"
+version = "0.132.0"
 description = "The official Python library for the kernel API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/kernel/_version.py b/src/kernel/_version.py
index c129635d..2913ee42 100644
--- a/src/kernel/_version.py
+++ b/src/kernel/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "kernel"
-__version__ = "0.131.0"  # x-release-please-version
+__version__ = "0.132.0"  # x-release-please-version
diff --git a/src/kernel/types/api_key.py b/src/kernel/types/api_key.py
index 5dd0b02c..348844d7 100644
--- a/src/kernel/types/api_key.py
+++ b/src/kernel/types/api_key.py
@@ -58,6 +58,12 @@ class APIKey(BaseModel):
     expires_at: Optional[datetime] = None
     """When the API key expires"""
 
+    last_used_at: Optional[datetime] = None
+    """
+    When the API key last authenticated a request, accurate to within about 20
+    minutes. Null if the key has not been used since last-use tracking began.
+    """
+
     masked_key: str
     """Masked version of the API key"""