diff --git a/CHANGES.md b/CHANGES.md
index 55430292..39d74d8d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,4 +1,4 @@
-### (unreleased)
+### 0.14.3 (2026-06-24)
 * Unshallow ion-c submodule (#438)
 
 ### 0.14.2 (2026-06-23)
diff --git a/src-python/amazon/__init__.py b/src-python/amazon/__init__.py
index 1eb68c4d..e7c93517 100644
--- a/src-python/amazon/__init__.py
+++ b/src-python/amazon/__init__.py
@@ -15,6 +15,6 @@
 """
 Amazon Ion
 """
-__version__ = "0.14.2"
+__version__ = "0.14.3"
 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 1c5f4c74..e62a381c 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__ = '0.14.2'
+__version__ = '0.14.3'
 
 __all__ = [
     'core',