diff --git a/nymea.pro b/nymea.pro
index 008996fa..e3ad0f3b 100644
--- a/nymea.pro
+++ b/nymea.pro
@@ -11,7 +11,7 @@ isEmpty(NYMEA_VERSION) {
 
 # define protocol versions
 JSON_PROTOCOL_VERSION_MAJOR=8
-JSON_PROTOCOL_VERSION_MINOR=2
+JSON_PROTOCOL_VERSION_MINOR=3
 JSON_PROTOCOL_VERSION="$${JSON_PROTOCOL_VERSION_MAJOR}.$${JSON_PROTOCOL_VERSION_MINOR}"
 LIBNYMEA_API_VERSION_MAJOR=9
 LIBNYMEA_API_VERSION_MINOR=0
diff --git a/tests/auto/api.json b/tests/auto/api.json
index b2880d19..ad82c2fb 100644
--- a/tests/auto/api.json
+++ b/tests/auto/api.json
@@ -1,4 +1,4 @@
-8.2
+8.3
 {
     "enums": {
         "BasicType": [
@@ -34,7 +34,8 @@
             "ConfigurationErrorInvalidPort",
             "ConfigurationErrorInvalidHostAddress",
             "ConfigurationErrorBluetoothHardwareNotAvailable",
-            "ConfigurationErrorInvalidCertificate"
+            "ConfigurationErrorInvalidCertificate",
+            "ConfigurationErrorUnsupported"
         ],
         "CreateMethod": [
             "CreateMethodUser",