diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0ab9ab78fa..d8372ce905 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## v4.3.1 (19 May 2020)
+
+- Bugfix: Fix exception when provisioning GCE machines
+- Bugfix: Fix datetime serialization issue when listing machines in AWS clouds
+- Change: Unset missing_since for resources that pop back into existence
+
 ## v4.3.0 (16 May 2020)
 
 This release greatly improves support for KVM. It's now possible to manage multiple hypervisors as a single cloud and to access VNC console, assign VNF's with SR-IOV and more. It also introduces support for new platforms like LXD, KubeVirt, G8. Support for vSphere/vCenter has been enhanced significantly. Many bugfixes and improvements under the hood are included. The Enterprise Edition introduces support for Active Directory & LDAP and includes the first version of the Price Catalog for configuring custom pricing policies on cloud resources.
diff --git a/api b/api
index 1686763b85..1c926f62cb 160000
--- a/api
+++ b/api
@@ -1 +1 @@
-Subproject commit 1686763b857b7db2c3b8ce59a38e3fe558453e84
+Subproject commit 1c926f62cb765d4f4b616690d9407acba74a6736
diff --git a/tests b/tests
index 5a4a37b200..9b7c1c06fe 160000
--- a/tests
+++ b/tests
@@ -1 +1 @@
-Subproject commit 5a4a37b2005ea93fd3971000f54dfd4176410822
+Subproject commit 9b7c1c06fe2065a1067e1183a88e721ce37c64b1