diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c3f1463..41ea87d 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.2.0"
+  ".": "1.2.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5beb2f4..f23364d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file.
 
+## [1.2.1](https://github.com/NREL/plexosdb/compare/v1.2.0...v1.2.1) (2025-12-04)
+
+
+### 🐛 Bug Fixes
+
+* handle property related attributes on "add_properties_from_records" method ([#78](https://github.com/NREL/plexosdb/issues/78)) ([1776d2a](https://github.com/NREL/plexosdb/commit/1776d2a614facef29d5a2a3df1f3a27dd154e359))
+
 ## [1.2.0](https://github.com/NREL/plexosdb/compare/v1.1.3...v1.2.0) (2025-12-02)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index d51b08d..6b635f8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "plexosdb"
-version = "1.2.0"
+version = "1.2.1"
 readme = "README.md"
 license = {file = "LICENSE.txt"}
 keywords = ["PLEXOS", "Database", "SQLite"]
diff --git a/uv.lock b/uv.lock
index bed029b..41666fe 100644
--- a/uv.lock
+++ b/uv.lock
@@ -706,7 +706,7 @@ wheels = [
 
 [[package]]
 name = "plexosdb"
-version = "1.2.0"
+version = "1.2.1"
 source = { editable = "." }
 dependencies = [
     { name = "loguru" },