diff --git a/apps/studio-installer/package.json b/apps/studio-installer/package.json
index d3b368bff..d799ed673 100644
--- a/apps/studio-installer/package.json
+++ b/apps/studio-installer/package.json
@@ -14,7 +14,7 @@
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "~6.2.4",
     "@tauri-apps/cli": "2.11.0",
-    "svelte": "^5.55.8",
+    "svelte": "^5.56.3",
     "typescript": "^5.9.3",
     "vite": "^7.3.3"
   },
diff --git a/packages/ui/package.json b/packages/ui/package.json
index 7dcbed059..21a6b47a9 100644
--- a/packages/ui/package.json
+++ b/packages/ui/package.json
@@ -74,7 +74,7 @@
     "prettier": "^3.8.3",
     "prettier-plugin-svelte": "^3.5.2",
     "publint": "^0.3.18",
-    "svelte": "^5.55.8",
+    "svelte": "^5.56.3",
     "svelte-check": "^4.4.7",
     "svelte-eslint-parser": "^1.6.1",
     "typescript": "^5.9.3",
diff --git a/tools/agent-playground/package.json b/tools/agent-playground/package.json
index d5c4319f7..c61135bec 100644
--- a/tools/agent-playground/package.json
+++ b/tools/agent-playground/package.json
@@ -46,7 +46,7 @@
     "hono": "4.12.23",
     "jszip": "^3.10.1",
     "shiki": "^4.0.2",
-    "svelte": "^5.55.8",
+    "svelte": "^5.56.3",
     "dompurify": "^3.4.5",
     "undici": "^7.25.0",
     "yaml": "^2.9.0",