diff --git a/CHANGELOG.md b/CHANGELOG.md
index f82d522..28ed336 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,34 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.3.1] - 2026-01-11
+
+### Added
+- Integration test infrastructure with pytest markers (integration, e2e, slow)
+- 10 LLM integration tests (requires Ollama)
+- 12 E2E API tests (requires running server)
+- Command line options: `--run-integration`, `--run-e2e`, `--ollama-url`, `--api-url`
+- Sample project fixtures for testing
+- 14 security tests (path traversal, command injection, input validation)
+- Helper functions: `assert_contains_any`, `assert_contains_all`
+
+### Changed
+- Updated COVERAGE.md to ~65% complete
+
+## [0.3.0] - 2026-01-10
+
+### Added
+- Explore agent with PydanticAI tool calling and Mistral Nemo
+- Coding tools: `edit_file`, `write_file`, `bash` (full)
+- Web search tool using SearXNG integration
+- Streaming responses via SSE for API and CLI
+- CLI commands: `explore`, `chat`, `status`
+- Sanitized Ollama provider (fixes `content: null` issue)
+
+### Changed
+- Reorganized into monorepo structure (webber-api/, webber-cli/, webber-sandbox/)
+- Added ruff linter and fixed mypy errors
+
 ## [0.2.3] - 2026-01-09
 
 ### Added
diff --git a/webber-api/pyproject.toml b/webber-api/pyproject.toml
index b717829..15f1e6f 100644
--- a/webber-api/pyproject.toml
+++ b/webber-api/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "webber-api"
-version = "0.3.0"
+version = "0.3.1"
 description = "Webber API - Multi-Agent AI Development Server"
 authors = [
     {name = "jpmschweitzer"}