diff --git a/nymea.pro b/nymea.pro
index 1f3b20ef..82cacc52 100644
--- a/nymea.pro
+++ b/nymea.pro
@@ -7,7 +7,7 @@ NYMEA_VERSION_STRING=$$system('dpkg-parsechangelog | sed -n -e "s/^Version: //p"
 JSON_PROTOCOL_VERSION_MAJOR=5
 JSON_PROTOCOL_VERSION_MINOR=1
 JSON_PROTOCOL_VERSION="$${JSON_PROTOCOL_VERSION_MAJOR}.$${JSON_PROTOCOL_VERSION_MINOR}"
-LIBNYMEA_API_VERSION_MAJOR=5
+LIBNYMEA_API_VERSION_MAJOR=6
 LIBNYMEA_API_VERSION_MINOR=0
 LIBNYMEA_API_VERSION_PATCH=0
 LIBNYMEA_API_VERSION="$${LIBNYMEA_API_VERSION_MAJOR}.$${LIBNYMEA_API_VERSION_MINOR}.$${LIBNYMEA_API_VERSION_PATCH}"
diff --git a/plugins/mock/plugininfo.h b/plugins/mock/plugininfo.h
index e1b03571..9f4c7dad 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("5.0.0");}
+extern "C" const QString libnymea_api_version() { return QString("6.0.0");}
 
 Q_DECLARE_LOGGING_CATEGORY(dcMock)
 Q_LOGGING_CATEGORY(dcMock, "Mock")