diff --git a/CHANGELOG.md b/CHANGELOG.md
index bfba799..a4c6f15 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.1.19](https://github.com/61418/boto3-client-cache/compare/v2.1.18...v2.1.19) (2026-07-24)
+
+
+### Documentation
+
+* Error semantics docs updates ([#109](https://github.com/61418/boto3-client-cache/issues/109)) ([5635f05](https://github.com/61418/boto3-client-cache/commit/5635f050b8163596dc167c747c3e696aa46132ac))
+
 ## [2.1.18](https://github.com/61418/boto3-client-cache/compare/v2.1.17...v2.1.18) (2026-04-08)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 6f6081a..ca11662 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "boto3-client-cache"
-version = "2.1.18"
+version = "2.1.19"
 description = "A concurrency-safe, bounded cache for boto3 clients and resources with deterministic identity semantics."
 readme = "README.md"
 license = { text = "MPL-2.0" }