diff --git a/scripts/constants.py b/scripts/constants.py
index 60f7f0e93..18b68ea62 100644
--- a/scripts/constants.py
+++ b/scripts/constants.py
@@ -15,16 +15,16 @@
 import sys
 
 # Kubernetes branch to get the OpenAPI spec from.
-KUBERNETES_BRANCH = "release-1.15"
+KUBERNETES_BRANCH = "release-1.16"
 
 # client version for packaging and releasing.
-CLIENT_VERSION = "11.0.0-snapshot"
+CLIENT_VERSION = "12.0.0-snapshot"
 
 # Name of the release package
 PACKAGE_NAME = "kubernetes"
 
 # Stage of development, mainly used in setup.py's classifiers.
-DEVELOPMENT_STATUS = "4 - Beta"
+DEVELOPMENT_STATUS = "3 - Alpha"
 
 
 # If called directly, return the constant value given