diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 8032c17..38acea6 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.12.0"
+  ".": "0.12.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d563410..372ebdb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.12.1](https://github.com/workos/quickstudy/compare/v0.12.0...v0.12.1) (2026-10-22)
+
+
+### Bug Fixes
+
+* pin agent runtime to patched Node 22.23.4 ([#43](https://github.com/workos/quickstudy/issues/43)) ([e992796](https://github.com/workos/quickstudy/commit/e992796ed8b3c563eb4f68d6a4cbe18c8ab04224))
+
 ## [0.12.0](https://github.com/workos/quickstudy/compare/v0.11.0...v0.12.0) (2026-10-19)
 
 
diff --git a/package.json b/package.json
index e00baed..86430c1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@workos/quickstudy",
-  "version": "0.12.0",
+  "version": "0.12.1",
   "description": "An open-source, company-agnostic eval harness for measuring whether coding agents can complete real integration tasks, across an agent x feature x framework x surface matrix.",
   "license": "MIT",
   "type": "module",
diff --git a/src/build-info.generated.ts b/src/build-info.generated.ts
index de54e45..98ff6a1 100644
--- a/src/build-info.generated.ts
+++ b/src/build-info.generated.ts
@@ -9,7 +9,7 @@ export const EMBEDDED_BUILD_INFO: {
   // (the `x-release-please-version` marker anchors the replacement). It is
   // restored as-is after a binary build (scripts/build-binary.ts), so the
   // committed source `--version` stays in lockstep with package.json.
-  version: "0.12.0", // x-release-please-version
+  version: "0.12.1", // x-release-please-version
   revision: null,
   dirty: null,
   sourceHash: null,