diff --git a/CHANGELOG.md b/CHANGELOG.md
index 05437ab1..6c39309d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## 2.1.5
+
+**Date** - 01/12/2026
+
+**Release Tag** - [v2.1.5](https://github.com/datacommonsorg/api-python/releases/tag/v2.1.5)
+
+**Release Status** - Current head of branch [`master`](https://github.com/datacommonsorg/api-python/tree/master)
+
+This is a patch update that adds support for per-request API key overrides using a context manager.
+
 ## 2.1.4
 
 **Date** - 10/31/2025
diff --git a/datacommons_client/__init__.py b/datacommons_client/__init__.py
index f7d02654..850a058e 100644
--- a/datacommons_client/__init__.py
+++ b/datacommons_client/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "2.1.4"
+__version__ = "2.1.5"
 """
 Data Commons Client Package