diff --git a/CHANGELOG.md b/CHANGELOG.md
index a1e22ed..665a5eb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.13.0] - 2026-08-26
+
 ### Added
 
 - **`hotdata_describe_tables` reports which columns can be searched, and by what.** Each column
@@ -34,8 +36,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   longer puts two tools called `hotdata_execute_sql` in one prompt — a name the model can
   neither address nor choose between. Cross-references between descriptions follow the suffix,
   so the SQL tool points at the schema tool of its own set. The suffix is validated when the set
-  is built (letters, digits, underscores or hyphens; the result within the 64-character limit
-  tool-calling APIs impose) rather than when a provider first rejects a call. An explicit
+  is built (letters, digits, underscores or hyphens; the whole name within 64 characters, the
+  shortest tool-name limit among the providers this package is used with) rather than when a
+  provider first rejects a call. An explicit
   `search_tool_name` is used exactly as given, since naming that tool is already the caller's
   decision. `suffixed_tool_name` is exported for callers registering tools of their own
   alongside these.
diff --git a/pyproject.toml b/pyproject.toml
index 5c4043b..5b77fa1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "hotdata-langchain"
-version = "0.12.0"
+version = "0.13.0"
 description = "LangChain tools for Hotdata runtime"
 readme = "README.md"
 requires-python = ">=3.10"
diff --git a/uv.lock b/uv.lock
index 74ae19b..079f1a1 100644
--- a/uv.lock
+++ b/uv.lock
@@ -274,7 +274,7 @@ wheels = [
 
 [[package]]
 name = "hotdata-langchain"
-version = "0.12.0"
+version = "0.13.0"
 source = { editable = "." }
 dependencies = [
     { name = "hotdata" },