diff --git a/CHANGES.md b/CHANGES.md
index 2a7ff0c7..c6e3ea13 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,6 @@
+### 0.15.0 (2026-09-10)
+* Report container nesting past the recursion limit as IonException (#448)
+
 ### 0.14.6 (2026-06-26)
 * Publish sdist to PyPI (#445)
 
diff --git a/src-python/amazon/__init__.py b/src-python/amazon/__init__.py
index 7f48b7ef..7891f810 100644
--- a/src-python/amazon/__init__.py
+++ b/src-python/amazon/__init__.py
@@ -15,6 +15,6 @@
 """
 Amazon Ion
 """
-__version__ = "0.14.6"
+__version__ = "0.15.0"
 from pkgutil import extend_path
 __path__ = extend_path(__path__, __name__)
diff --git a/src-python/amazon/ion/__init__.py b/src-python/amazon/ion/__init__.py
index 427ca18b..7ff2c331 100644
--- a/src-python/amazon/ion/__init__.py
+++ b/src-python/amazon/ion/__init__.py
@@ -12,7 +12,7 @@
 # specific language governing permissions and limitations under the
 # License.
 __author__ = 'Amazon.com, Inc.'
-__version__ = '0.14.6'
+__version__ = '0.15.0'
 
 __all__ = [
     'core',