diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index e30834d7..c319626c 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.43.0"
+  ".": "5.43.1"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e37f60a1..1ec1b1ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## [5.43.1](https://github.com/RetellAI/retell-python-sdk/compare/v5.43.0...v5.43.1) (2026-05-29)
+
+
+### Chores
+
+* add release-please workflow ([2ded49b](https://github.com/RetellAI/retell-python-sdk/commit/2ded49be02e1471bef0968f422c1cbf19314119b))
+* add SDK auto-merge workflow ([0966b89](https://github.com/RetellAI/retell-python-sdk/commit/0966b89b08dcb1ab507511b480270961bf8332b0))
+* harden SDK auto-merge workflow ([be57a3f](https://github.com/RetellAI/retell-python-sdk/commit/be57a3f70524d1f4bad69b37b73b383efb4c48d6))
+* restrict SDK auto-merge to same-repo branches ([4644075](https://github.com/RetellAI/retell-python-sdk/commit/4644075b17cc17443e67bc8fafa3ffe8e0e65e85))
+
 ## 5.43.0 (2026-05-28)
 
 Full Changelog: [v5.42.0...v5.43.0](https://github.com/RetellAI/retell-python-sdk/compare/v5.42.0...v5.43.0)
diff --git a/pyproject.toml b/pyproject.toml
index 0e3f0751..b68e0a1a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "retell-sdk"
-version = "5.43.0"
+version = "5.43.1"
 description = "The official Python library for the retell API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/retell/_version.py b/src/retell/_version.py
index a74ec2af..3bb05926 100644
--- a/src/retell/_version.py
+++ b/src/retell/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "retell"
-__version__ = "5.43.0"  # x-release-please-version
+__version__ = "5.43.1"  # x-release-please-version