diff --git a/CHANGELOG.md b/CHANGELOG.md
index ddf275af..dd0d723a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,18 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [0.15.0](https://github.com/mnahkies/openapi-code-generator/compare/v0.14.0...v0.15.0) (2024-10-27)
+
+### Bug Fixes
+
+- **docs:** improve meta tags ([#255](https://github.com/mnahkies/openapi-code-generator/issues/255)) ([345b0d8](https://github.com/mnahkies/openapi-code-generator/commit/345b0d80954d85bc3b1e033dc6ee58cdb93e9ba4))
+- validator uses new yaml sources ([a41dbd4](https://github.com/mnahkies/openapi-code-generator/commit/a41dbd493668c3455052ff86489fc9138da09ced))
+
+### Features
+
+- emit unique symbol names for Implementation / createRouter functions ([#258](https://github.com/mnahkies/openapi-code-generator/issues/258)) ([390bf7d](https://github.com/mnahkies/openapi-code-generator/commit/390bf7ddb7139f217590e6da4ee836cebca330bd)), closes [#111](https://github.com/mnahkies/openapi-code-generator/issues/111)
+- support emitting abstract classes for implementation types ([#256](https://github.com/mnahkies/openapi-code-generator/issues/256)) ([d2b8276](https://github.com/mnahkies/openapi-code-generator/commit/d2b8276b57252fc6a1f5803f20773af696247b2d))
+
 # [0.14.0](https://github.com/mnahkies/openapi-code-generator/compare/v0.13.0...v0.14.0) (2024-10-12)
 
 ### Bug Fixes
diff --git a/lerna.json b/lerna.json
index c2c51972..d83050d4 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,6 +1,6 @@
 {
   "$schema": "node_modules/lerna/schemas/lerna-schema.json",
   "npmClient": "yarn",
-  "version": "0.14.0",
+  "version": "0.15.0",
   "gitTagVersion": true
 }
diff --git a/packages/openapi-code-generator/CHANGELOG.md b/packages/openapi-code-generator/CHANGELOG.md
index 33403580..46a87e8e 100644
--- a/packages/openapi-code-generator/CHANGELOG.md
+++ b/packages/openapi-code-generator/CHANGELOG.md
@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [0.15.0](https://github.com/mnahkies/openapi-code-generator/compare/v0.14.0...v0.15.0) (2024-10-27)
+
+### Bug Fixes
+
+- validator uses new yaml sources ([a41dbd4](https://github.com/mnahkies/openapi-code-generator/commit/a41dbd493668c3455052ff86489fc9138da09ced))
+
+### Features
+
+- emit unique symbol names for Implementation / createRouter functions ([#258](https://github.com/mnahkies/openapi-code-generator/issues/258)) ([390bf7d](https://github.com/mnahkies/openapi-code-generator/commit/390bf7ddb7139f217590e6da4ee836cebca330bd)), closes [#111](https://github.com/mnahkies/openapi-code-generator/issues/111)
+- support emitting abstract classes for implementation types ([#256](https://github.com/mnahkies/openapi-code-generator/issues/256)) ([d2b8276](https://github.com/mnahkies/openapi-code-generator/commit/d2b8276b57252fc6a1f5803f20773af696247b2d))
+
 # [0.14.0](https://github.com/mnahkies/openapi-code-generator/compare/v0.13.0...v0.14.0) (2024-10-12)
 
 ### Bug Fixes
diff --git a/packages/openapi-code-generator/package.json b/packages/openapi-code-generator/package.json
index 493f6241..42495a60 100644
--- a/packages/openapi-code-generator/package.json
+++ b/packages/openapi-code-generator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nahkies/openapi-code-generator",
-  "version": "0.14.0",
+  "version": "0.15.0",
   "description": "Typescript client SDK and server stub generator for OpenAPI 3 specifications",
   "license": "MIT",
   "author": {
diff --git a/packages/typescript-axios-runtime/CHANGELOG.md b/packages/typescript-axios-runtime/CHANGELOG.md
index b0306d6c..5e4e57db 100644
--- a/packages/typescript-axios-runtime/CHANGELOG.md
+++ b/packages/typescript-axios-runtime/CHANGELOG.md
@@ -3,6 +3,10 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [0.15.0](https://github.com/mnahkies/openapi-code-generator/compare/v0.14.0...v0.15.0) (2024-10-27)
+
+**Note:** Version bump only for package @nahkies/typescript-axios-runtime
+
 # [0.14.0](https://github.com/mnahkies/openapi-code-generator/compare/v0.13.0...v0.14.0) (2024-10-12)
 
 **Note:** Version bump only for package @nahkies/typescript-axios-runtime
diff --git a/packages/typescript-axios-runtime/package.json b/packages/typescript-axios-runtime/package.json
index 7044dbab..2037c03e 100644
--- a/packages/typescript-axios-runtime/package.json
+++ b/packages/typescript-axios-runtime/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nahkies/typescript-axios-runtime",
-  "version": "0.14.0",
+  "version": "0.15.0",
   "description": "Runtime package for code generated by @nahkies/openapi-code-generator using the typescript-axios template",
   "license": "MIT",
   "author": {
diff --git a/packages/typescript-fetch-runtime/CHANGELOG.md b/packages/typescript-fetch-runtime/CHANGELOG.md
index 3b112945..1f6f9245 100644
--- a/packages/typescript-fetch-runtime/CHANGELOG.md
+++ b/packages/typescript-fetch-runtime/CHANGELOG.md
@@ -3,6 +3,10 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [0.15.0](https://github.com/mnahkies/openapi-code-generator/compare/v0.14.0...v0.15.0) (2024-10-27)
+
+**Note:** Version bump only for package @nahkies/typescript-fetch-runtime
+
 # [0.14.0](https://github.com/mnahkies/openapi-code-generator/compare/v0.13.0...v0.14.0) (2024-10-12)
 
 **Note:** Version bump only for package @nahkies/typescript-fetch-runtime
diff --git a/packages/typescript-fetch-runtime/package.json b/packages/typescript-fetch-runtime/package.json
index bd7936ed..c8a4478c 100644
--- a/packages/typescript-fetch-runtime/package.json
+++ b/packages/typescript-fetch-runtime/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nahkies/typescript-fetch-runtime",
-  "version": "0.14.0",
+  "version": "0.15.0",
   "description": "Runtime package for code generated by @nahkies/openapi-code-generator using the typescript-fetch template",
   "license": "MIT",
   "author": {
diff --git a/packages/typescript-koa-runtime/CHANGELOG.md b/packages/typescript-koa-runtime/CHANGELOG.md
index ba89c8b5..9c085c5e 100644
--- a/packages/typescript-koa-runtime/CHANGELOG.md
+++ b/packages/typescript-koa-runtime/CHANGELOG.md
@@ -3,6 +3,10 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [0.15.0](https://github.com/mnahkies/openapi-code-generator/compare/v0.14.0...v0.15.0) (2024-10-27)
+
+**Note:** Version bump only for package @nahkies/typescript-koa-runtime
+
 # [0.14.0](https://github.com/mnahkies/openapi-code-generator/compare/v0.13.0...v0.14.0) (2024-10-12)
 
 **Note:** Version bump only for package @nahkies/typescript-koa-runtime
diff --git a/packages/typescript-koa-runtime/package.json b/packages/typescript-koa-runtime/package.json
index d5a9a4b8..53dfd9bf 100644
--- a/packages/typescript-koa-runtime/package.json
+++ b/packages/typescript-koa-runtime/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nahkies/typescript-koa-runtime",
-  "version": "0.14.0",
+  "version": "0.15.0",
   "description": "Runtime package for code generated by @nahkies/openapi-code-generator using the typescript-koa template",
   "license": "MIT",
   "author": {