diff --git a/themes/default/svelte/package-lock.json b/themes/default/svelte/package-lock.json
index 1e2f171..59516e4 100644
--- a/themes/default/svelte/package-lock.json
+++ b/themes/default/svelte/package-lock.json
@@ -682,9 +682,9 @@
       }
     },
     "svelte": {
-      "version": "3.25.0",
-      "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.25.0.tgz",
-      "integrity": "sha512-CUfq+YTC5Q0tBg7Q9X/QxNutdEYp7ogdbcTZF3mrowOlp3+OF1ZexHwI0Io2VqFSDxht7TlA2lTIQC4RnhR1MQ==",
+      "version": "3.49.0",
+      "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.49.0.tgz",
+      "integrity": "sha512-+lmjic1pApJWDfPCpUUTc1m8azDqYCG1JN9YEngrx/hUyIcFJo6VZhj0A1Ai0wqoHcEIuQy+e9tk+4uDgdtsFA==",
       "dev": true
     },
     "terser": {
diff --git a/themes/default/svelte/package.json b/themes/default/svelte/package.json
index e9e9def..f6f7577 100644
--- a/themes/default/svelte/package.json
+++ b/themes/default/svelte/package.json
@@ -13,7 +13,7 @@
     "rollup-plugin-livereload": "^2.0.0",
     "rollup-plugin-svelte": "^6.0.0",
     "rollup-plugin-terser": "^7.0.0",
-    "svelte": "^3.0.0"
+    "svelte": "^3.49.0"
   },
   "dependencies": {
     "sirv-cli": "^1.0.0"