diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1988a9e4..08cd2640 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,12 @@ This project uses [*towncrier*](https://towncrier.readthedocs.io/) and the chang
 
 <!-- towncrier release notes start -->
 
+## [1.15.2](https://github.com/opsmill/infrahub-sdk-python/tree/v1.15.2) - 2025-12-29
+
+### Fixed
+
+- Fixed SDK including explicit `null` values for uninitialized optional relationships when creating nodes with object templates, which prevented the backend from applying template defaults. ([#630](https://github.com/opsmill/infrahub-sdk-python/issues/630))
+
 ## [1.15.1](https://github.com/opsmill/infrahub-sdk-python/tree/v1.15.1) - 2025-11-13
 
 ### Fixed
diff --git a/changelog/630.fixed.md b/changelog/630.fixed.md
deleted file mode 100644
index 34a54db3..00000000
--- a/changelog/630.fixed.md
+++ /dev/null
@@ -1 +0,0 @@
-Fixed SDK including explicit `null` values for uninitialized optional relationships when creating nodes with object templates, which prevented the backend from applying template defaults.
diff --git a/poetry.lock b/poetry.lock
index 142b00e7..ff6add5e 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.1.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.1.3 and should not be changed by hand.
 
 [[package]]
 name = "annotated-types"
@@ -2550,7 +2550,7 @@ files = [
     {file = "pywin32-308-cp39-cp39-win32.whl", hash = "sha256:7873ca4dc60ab3287919881a7d4f88baee4a6e639aa6962de25a98ba6b193341"},
     {file = "pywin32-308-cp39-cp39-win_amd64.whl", hash = "sha256:71b3322d949b4cc20776436a9c9ba0eeedcbc9c650daa536df63f0ff111bb920"},
 ]
-markers = {main = "platform_python_implementation != \"PyPy\" and (extra == \"ctl\" or extra == \"all\") and platform_system == \"Windows\"", dev = "python_version >= \"3.12\" and sys_platform == \"win32\""}
+markers = {main = "platform_system == \"Windows\" and platform_python_implementation != \"PyPy\" and (extra == \"ctl\" or extra == \"all\")", dev = "python_version >= \"3.12\" and sys_platform == \"win32\""}
 
 [[package]]
 name = "pyyaml"
diff --git a/pyproject.toml b/pyproject.toml
index 3fdb8d07..c4201789 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "infrahub-sdk"
-version = "1.15.1"
+version = "1.15.2"
 description = "Python Client to interact with Infrahub"
 authors = ["OpsMill <info@opsmill.com>"]
 readme = "README.md"