diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index f469006..86f6faf 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "3.14.0"
+    ".": "3.15.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 79b9bb4..4ba9916 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 <a name="v1.5.2"></a>
 
+## [3.15.0](https://github.com/Flagsmith/flagsmith-common/compare/v3.14.0...v3.15.0) (2026-09-15)
+
+
+### Features
+
+* **schemas:** add feature state `metadata` envelope ([#272](https://github.com/Flagsmith/flagsmith-common/issues/272)) ([26eeade](https://github.com/Flagsmith/flagsmith-common/commit/26eeade6906d56d3eb23830e6fdcb7953351f8f4))
+
 ## [3.14.0](https://github.com/Flagsmith/flagsmith-common/compare/v3.13.2...v3.14.0) (2026-09-04)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 5922d2b..872e51a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "flagsmith-common"
-version = "3.14.0"
+version = "3.15.0"
 description = "Flagsmith's common library"
 requires-python = ">=3.11,<4.0"
 dependencies = []
diff --git a/uv.lock b/uv.lock
index 583c38e..68cdb49 100644
--- a/uv.lock
+++ b/uv.lock
@@ -453,7 +453,7 @@ wheels = [
 
 [[package]]
 name = "flagsmith-common"
-version = "3.14.0"
+version = "3.15.0"
 source = { editable = "." }
 
 [package.optional-dependencies]