diff --git a/CHANGELOG.md b/CHANGELOG.md
index c614a14a0..c45059eb6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# v9.0.0a1
+**Bug Fix:**
+- Refresh GCP auth tokens on API retrieval [kubernetes-client/python-base#92](https://github.com/kubernetes-client/python-base/pull/92)
+- Fix kubeconfig loading failure when server uri contains trailing slash [kubernetes-client/python-base#45](https://github.com/kubernetes-client/python-base/pull/45)
+
 # v8.0.0
 **New Feature:**
 - Add utility to create API resource from yaml file [kubernetes-client/python#655](https://github.com/kubernetes-client/python/pull/655)
diff --git a/kubernetes/base b/kubernetes/base
index 83ebb9d5f..5c242ead6 160000
--- a/kubernetes/base
+++ b/kubernetes/base
@@ -1 +1 @@
-Subproject commit 83ebb9d5fdc0d46bbb2e30afcd8eec42c5da4ad1
+Subproject commit 5c242ead602797ae870798882654f7a2a4edfe39