diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index affd1ab3d..6c8775576 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.1.0"
+  ".": "5.1.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 25a2e9622..96fc43490 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,14 @@ This file is maintained by [release-please](https://github.com/googleapis/releas
 from Conventional Commit messages; release sections are generated on release,
 not hand-edited in PRs.
 
+## [5.1.1](https://github.com/Brad-Edwards/aptl/compare/v5.1.0...v5.1.1) (2026-07-25)
+
+
+### Documentation
+
+* adopt sealed appliance delivery boundary ([#830](https://github.com/Brad-Edwards/aptl/issues/830)) ([98dd2a6](https://github.com/Brad-Edwards/aptl/commit/98dd2a693b300739433535a95f99946e8465bd0c))
+* clarify raes env pack ownership ([#831](https://github.com/Brad-Edwards/aptl/issues/831)) ([5a0ee78](https://github.com/Brad-Edwards/aptl/commit/5a0ee787dcb0ce63b69019ed61114700b3f2527c))
+
 ## [5.1.0](https://github.com/Brad-Edwards/aptl/compare/v5.0.0...v5.1.0) (2026-07-25)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 9c8c4445e..3021ef4c8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "aptl-labs"
-version = "5.1.0"
+version = "5.1.1"
 description = "Advanced Purple Team Lab CLI"
 readme = "README.md"
 requires-python = ">=3.11"
diff --git a/src/aptl/__init__.py b/src/aptl/__init__.py
index 5e25876a2..6b05cd53b 100644
--- a/src/aptl/__init__.py
+++ b/src/aptl/__init__.py
@@ -6,4 +6,4 @@
 # pyproject.toml, not this src-layout __init__.py). Keep the annotation comment
 # on the same line as the literal, and keep the literal equal to pyproject's
 # `version` — test_version_consistency.py enforces the latter.
-__version__ = "5.1.0"  # x-release-please-version
+__version__ = "5.1.1"  # x-release-please-version