diff --git a/nymea.pri b/nymea.pri
index f4700c85..99b08753 100644
--- a/nymea.pri
+++ b/nymea.pri
@@ -3,10 +3,10 @@ NYMEA_VERSION_STRING=$$system('dpkg-parsechangelog | sed -n -e "s/^Version: //p"
 
 # define protocol versions
 JSON_PROTOCOL_VERSION_MAJOR=2
-JSON_PROTOCOL_VERSION_MINOR=3
+JSON_PROTOCOL_VERSION_MINOR=4
 REST_API_VERSION=1
-LIBNYMEA_API_VERSION_MAJOR=2
-LIBNYMEA_API_VERSION_MINOR=1
+LIBNYMEA_API_VERSION_MAJOR=3
+LIBNYMEA_API_VERSION_MINOR=0
 LIBNYMEA_API_VERSION_PATCH=0
 
 COPYRIGHT_YEAR_FROM=2013
diff --git a/plugins/mock/plugininfo.h b/plugins/mock/plugininfo.h
index db4637cd..4930526d 100644
--- a/plugins/mock/plugininfo.h
+++ b/plugins/mock/plugininfo.h
@@ -9,7 +9,7 @@
 #include <QLoggingCategory>
 #include <QObject>
 
-extern "C" const QString libnymea_api_version() { return QString("2.1.0");}
+extern "C" const QString libnymea_api_version() { return QString("3.0.0");}
 
 Q_DECLARE_LOGGING_CATEGORY(dcMockDevice)
 Q_LOGGING_CATEGORY(dcMockDevice, "MockDevice")