diff --git a/Rnwood.Smtp4dev/ClientApp/package-lock.json b/Rnwood.Smtp4dev/ClientApp/package-lock.json
index 9b9ee6d80..a65587689 100644
--- a/Rnwood.Smtp4dev/ClientApp/package-lock.json
+++ b/Rnwood.Smtp4dev/ClientApp/package-lock.json
@@ -10146,9 +10146,9 @@
       "dev": true
     },
     "memfs": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/memfs/-/memfs-3.4.0.tgz",
-      "integrity": "sha512-o/RfP0J1d03YwsAxyHxAYs2kyJp55AFkMazlFAZFR2I2IXkxiUTXRabJ6RmNNCQ83LAD2jy52Khj0m3OffpNdA==",
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/memfs/-/memfs-3.4.1.tgz",
+      "integrity": "sha512-1c9VPVvW5P7I85c35zAdEr1TD5+F11IToIHIlrVIcflfnzPkJa0ZoYEoEdYDP8KgPFoSZ/opDrUsAoZWym3mtw==",
       "dev": true,
       "requires": {
         "fs-monkey": "1.0.3"
@@ -13935,9 +13935,9 @@
       "dev": true
     },
     "ts-debounce": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/ts-debounce/-/ts-debounce-3.0.0.tgz",
-      "integrity": "sha512-7jiRWgN4/8IdvCxbIwnwg2W0bbYFBH6BxFqBjMKk442t7+liF2Z1H6AUCcl8e/pD93GjPru+axeiJwFmRww1WQ==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/ts-debounce/-/ts-debounce-4.0.0.tgz",
+      "integrity": "sha512-+1iDGY6NmOGidq7i7xZGA4cm8DAa6fqdYcvO5Z6yBevH++Bdo9Qt/mN0TzHUgcCcKv1gmh9+W5dHqz8pMWbCbg==",
       "dev": true
     },
     "ts-loader": {
diff --git a/Rnwood.Smtp4dev/ClientApp/package.json b/Rnwood.Smtp4dev/ClientApp/package.json
index 367ffabf1..a237eeb13 100644
--- a/Rnwood.Smtp4dev/ClientApp/package.json
+++ b/Rnwood.Smtp4dev/ClientApp/package.json
@@ -37,7 +37,7 @@
     "sass": "^1.43.5",
     "sass-loader": "^10.1.0",
     "srcdoc-polyfill": "^1.0.0",
-    "ts-debounce": "^3.0.0",
+    "ts-debounce": "^4.0.0",
     "typescript": "~4.3.5",
     "vue": "^2.6.14",
     "vue-class-component": "^7.2.6",