diff --git a/js/package-lock.json b/js/package-lock.json
index d16adddc..1d5c8053 100644
--- a/js/package-lock.json
+++ b/js/package-lock.json
@@ -21,7 +21,7 @@
         "react": "19.2.8",
         "react-dom": "19.2.8",
         "react-test-renderer": "19.2.8",
-        "svelte": "5.56.7",
+        "svelte": "5.56.9",
         "typescript": "5.9.3"
       },
       "engines": {
@@ -1002,9 +1002,9 @@
       "license": "MIT"
     },
     "node_modules/svelte": {
-      "version": "5.56.7",
-      "resolved": "https://registry.npmjs.org/svelte/-/svelte-5.56.7.tgz",
-      "integrity": "sha512-5qERUZX80oQj6XrDMUmD2Uhd/cIpCPDWWKBK3ZHmyRUC9apPyamWM8xMo31mbWsIQxwG2hVoSnOJ/EcnhVkkzQ==",
+      "version": "5.56.9",
+      "resolved": "https://registry.npmjs.org/svelte/-/svelte-5.56.9.tgz",
+      "integrity": "sha512-VT8kSnlEg8069w7AiCcAk3Yf5xvMnrGTagVOmU/OpOLHaHnNqXhWZCH/4EVga/bT/HtWhvE6/fHrXLErx7OnJA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/js/package.json b/js/package.json
index d2a4fc85..47a149b9 100644
--- a/js/package.json
+++ b/js/package.json
@@ -74,7 +74,7 @@
     "react": "19.2.8",
     "react-dom": "19.2.8",
     "react-test-renderer": "19.2.8",
-    "svelte": "5.56.7",
+    "svelte": "5.56.9",
     "typescript": "5.9.3"
   },
   "engines": {