diff --git a/ci/datasources/regions.yaml b/ci/datasources/regions.yaml
index e33eb71e..07858eab 100644
--- a/ci/datasources/regions.yaml
+++ b/ci/datasources/regions.yaml
@@ -29,7 +29,6 @@ regions:
   - code: "eu-south-1"
   - code: "eu-south-2"
   - code: "il-central-1"
-  - code: "me-south-1"
   - code: "me-central-1"
   - code: "mx-central-1"
   - code: "sa-east-1"
diff --git a/datadog_lambda/version.py b/datadog_lambda/version.py
index 64de36a6..1d4da6c3 100644
--- a/datadog_lambda/version.py
+++ b/datadog_lambda/version.py
@@ -1 +1 @@
-__version__ = "8.128.0"
+__version__ = "8.129.0.dev0"
diff --git a/pyproject.toml b/pyproject.toml
index 5547328b..20a97c13 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "datadog_lambda"
-version = "8.128.0"
+version = "8.129.0.dev0"
 description = "The Datadog AWS Lambda Library"
 authors = ["Datadog, Inc. <dev@datadoghq.com>"]
 license = "Apache-2.0"