diff --git a/CHANGELOG.md b/CHANGELOG.md
index 186b25f..15e67cb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,24 @@ All notable changes to this reference implementation are documented here.
 
 ## Unreleased
 
-Planned adapter release: `0.5.0`, after lifecycle integration and final specification conformance.
+_No unreleased changes._
+
+## 0.6.0 - 2026-08-05
+
+### Added
+
+- Completed Python parity for bounded in-place SPSS schema transformations:
+  STRING, DELETE VARIABLES, string RECODE width validation, and durable
+  delete/recreate physical-column bindings.
+- Added PostgreSQL physical attribute-slot preflight and real-service
+  regression coverage for delete/recreate at the column limit.
+
+### Changed
+
+- Schema-changing SPSS plans use the v0.3 contract and fail closed for
+  unsupported STRING/DELETE variable ranges.
+
+## 0.5.0 - 2026-08-05
 ### Fixed
 
 - Removed the temporary `*_catalog` compatibility schema and made SAV/ZSAV
diff --git a/pyproject.toml b/pyproject.toml
index ea5bfec..1dcaef0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "openstatspec"
-version = "0.5.0"
+version = "0.6.0"
 description = "Reference adapter for the OpenStatSpec relational contract"
 readme = "README.md"
 requires-python = ">=3.11"