diff --git a/rust_warp_svelte/ui/package-lock.json b/rust_warp_svelte/ui/package-lock.json
index 96484df..f1912d7 100644
--- a/rust_warp_svelte/ui/package-lock.json
+++ b/rust_warp_svelte/ui/package-lock.json
@@ -21,7 +21,7 @@
         "rollup-plugin-livereload": "^2.0.0",
         "rollup-plugin-svelte": "^7.0.0",
         "rollup-plugin-terser": "^7.0.0",
-        "svelte": "^3.0.0",
+        "svelte": "^3.49.0",
         "svelte-check": "^2.0.0",
         "svelte-preprocess": "^4.0.0",
         "tslib": "^2.0.0",
@@ -3596,9 +3596,9 @@
       }
     },
     "node_modules/svelte": {
-      "version": "3.42.4",
-      "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.42.4.tgz",
-      "integrity": "sha512-DqC0AmDdBrrbIA+Kzl3yhBb6qCn4vZOAfxye2pTnIpinLegyagC5sLI8Pe9GPlXu9VpHBXIwpDDedpMfu++epA==",
+      "version": "3.49.0",
+      "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.49.0.tgz",
+      "integrity": "sha512-+lmjic1pApJWDfPCpUUTc1m8azDqYCG1JN9YEngrx/hUyIcFJo6VZhj0A1Ai0wqoHcEIuQy+e9tk+4uDgdtsFA==",
       "dev": true,
       "engines": {
         "node": ">= 8"
@@ -6434,9 +6434,9 @@
       }
     },
     "svelte": {
-      "version": "3.42.4",
-      "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.42.4.tgz",
-      "integrity": "sha512-DqC0AmDdBrrbIA+Kzl3yhBb6qCn4vZOAfxye2pTnIpinLegyagC5sLI8Pe9GPlXu9VpHBXIwpDDedpMfu++epA==",
+      "version": "3.49.0",
+      "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.49.0.tgz",
+      "integrity": "sha512-+lmjic1pApJWDfPCpUUTc1m8azDqYCG1JN9YEngrx/hUyIcFJo6VZhj0A1Ai0wqoHcEIuQy+e9tk+4uDgdtsFA==",
       "dev": true
     },
     "svelte-check": {
diff --git a/rust_warp_svelte/ui/package.json b/rust_warp_svelte/ui/package.json
index cbc2546..9f240e3 100644
--- a/rust_warp_svelte/ui/package.json
+++ b/rust_warp_svelte/ui/package.json
@@ -19,7 +19,7 @@
     "rollup-plugin-livereload": "^2.0.0",
     "rollup-plugin-svelte": "^7.0.0",
     "rollup-plugin-terser": "^7.0.0",
-    "svelte": "^3.0.0",
+    "svelte": "^3.49.0",
     "svelte-check": "^2.0.0",
     "svelte-preprocess": "^4.0.0",
     "tslib": "^2.0.0",