diff --git a/VERSION b/VERSION
index bcc50592..e05df4ae 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1!10.12.0
+1!10.12.1
diff --git a/pycloudlib/ibm/cloud.py b/pycloudlib/ibm/cloud.py
index a75c135b..d0651193 100644
--- a/pycloudlib/ibm/cloud.py
+++ b/pycloudlib/ibm/cloud.py
@@ -75,7 +75,11 @@ def __init__(
         authenticator = IAMAuthenticator(api_key)
         self.instance_counter = itertools.count(1)
 
-        self._client = VpcV1(authenticator=authenticator)
+        # Note this pins API version to ibm-vpc 0.28.0 also in setup.cfg.
+        # If updating API version:
+        # 1. Check latest https://github.com/IBM/vpc-python-sdk/releases/
+        # 2. Update setup.cfg ibm-vpc < conditional
+        self._client = VpcV1(authenticator=authenticator, version="2025-04-22")
         self._client.set_service_url(f"https://{self.region}.iaas.cloud.ibm.com/v1")
 
         self._resource_manager_service = ResourceManagerV2(authenticator=authenticator)
diff --git a/setup.cfg b/setup.cfg
index 58bc6ebc..e6239477 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -34,7 +34,7 @@ install_requires =
     googleapis-common-protos >= 1.63.1
     ibm-cloud-sdk-core >= 3.14.0
     ibm-platform-services
-    ibm-vpc >= 0.10
+    ibm-vpc >= 0.10, < 0.29.0
     knack >= 0.7.1
     oci >= 2.17.0
     openstacksdk >= 1.1.0, < 1.5.0