diff --git a/package.json b/package.json
index 1b53d6b..4f49698 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,9 @@
"quasar": "^2.6.2",
"reconnecting-websocket": "^4.4.0",
"sortablejs": "^1.15.0",
+ "to": "^0.2.9",
"ts-md5": "^1.2.11",
+ "update": "^0.7.4",
"v-viewer": "^3.0.9",
"vconsole": "^3.14.6",
"vue": "^3.0.0",
diff --git a/src/components/ClockSignalSourceDialog.vue b/src/components/ClockSignalSourceDialog.vue
index 1e7d01c..b271ae4 100644
--- a/src/components/ClockSignalSourceDialog.vue
+++ b/src/components/ClockSignalSourceDialog.vue
@@ -144,7 +144,6 @@
-