diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c325c70..e7ef75e 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,5 +1,5 @@
 {
-  "packages/sandbox": "0.2.0",
+  "packages/sandbox": "0.3.0",
   "packages/agent": "0.4.0",
   "packages/provider": "0.2.0"
 }
diff --git a/packages/sandbox/CHANGELOG.md b/packages/sandbox/CHANGELOG.md
index 0efc1b4..fd5711e 100644
--- a/packages/sandbox/CHANGELOG.md
+++ b/packages/sandbox/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+## [0.3.0](https://github.com/coder/ai-sdk/compare/sandbox-v0.2.0...sandbox-v0.3.0) (2026-07-14)
+
+Upgrades all packages to AI SDK v7 stable, which is a breaking change requiring consumers to migrate to the new SDK version.
+
+### Highlights
+
+- All packages now depend on AI SDK v7 stable, a breaking change that requires updating your integration accordingly. ([#21](https://github.com/coder/ai-sdk/pull/21))
+
+### ⚠ BREAKING CHANGES
+
+* upgrade all packages to AI SDK v7 stable ([#21](https://github.com/coder/ai-sdk/issues/21))
+
+### Features
+
+* upgrade all packages to AI SDK v7 stable ([#21](https://github.com/coder/ai-sdk/issues/21)) ([cba261c](https://github.com/coder/ai-sdk/commit/cba261c5e08225a54765cf998fe793a67745ca0c))
+
 ## [0.2.0](https://github.com/coder/ai-sdk/compare/sandbox-v0.1.0...sandbox-v0.2.0) (2026-07-09)
 
 Adds streaming correctness improvements, lifecycle handling, and additional helper methods to the agent, along with general hardening based on a bug-report sweep.
diff --git a/packages/sandbox/package.json b/packages/sandbox/package.json
index 8735971..4d3fc52 100644
--- a/packages/sandbox/package.json
+++ b/packages/sandbox/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@coder/ai-sdk-sandbox",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "Coder workspace sandbox provider for the Vercel AI SDK v7 HarnessAgent",
   "keywords": [
     "ai-sdk",