diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index fadf91a..0ddef48 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,5 +1,5 @@
 {
   "packages/sandbox": "0.4.26",
-  "packages/agent": "0.12.0",
+  "packages/agent": "0.12.1",
   "packages/provider": "0.4.23"
 }
diff --git a/packages/agent/CHANGELOG.md b/packages/agent/CHANGELOG.md
index 9187265..def49c1 100644
--- a/packages/agent/CHANGELOG.md
+++ b/packages/agent/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [0.12.1](https://github.com/coder/ai-sdk/compare/agent-v0.12.0...agent-v0.12.1) (2026-09-26)
+
+A patch release with minor internal updates and no documented user-facing changes.
+
 ## [0.12.0](https://github.com/coder/ai-sdk/compare/agent-v0.11.9...agent-v0.12.0) (2026-09-25)
 
 Queued submissions are now anchored by their queued_message_id, improving how the agent tracks and correlates queued messages.
diff --git a/packages/agent/package.json b/packages/agent/package.json
index 2d8743c..d62468b 100644
--- a/packages/agent/package.json
+++ b/packages/agent/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@coder/ai-sdk-agent",
-  "version": "0.12.0",
+  "version": "0.12.1",
   "description": "A Vercel AI SDK-compliant agent backed by Coder Agents, Coder's server-side agent runtime. `new CoderAgent()` returns a real AI SDK Agent (generate/stream).",
   "keywords": [
     "agent",