diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 692677c..3ed36b3 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -15,12 +15,12 @@
       "devDependencies": {
         "@sveltejs/vite-plugin-svelte": "^7.0.0",
         "@tsconfig/svelte": "^5.0.8",
-        "svelte": "^5.57.2",
-        "svelte-check": "^4.4.8",
+        "svelte": "^5.57.3",
+        "svelte-check": "^4.7.7",
         "tslib": "^2.6.2",
         "typescript": "^5.2.2",
-        "vite": "^8.3.4",
-        "vitest": "^5.0.4"
+        "vite": "^8.3.5",
+        "vitest": "^5.0.5"
       }
     },
     "node_modules/@fontsource/barlow": {
@@ -454,14 +454,14 @@
       "license": "MIT"
     },
     "node_modules/@vitest/mocker": {
-      "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-5.0.4.tgz",
-      "integrity": "sha512-tqAlrYWce4iUxhr3ncNohejtCTOcHeE8XWrSNZY3OhPoDn01yeGv+gnaBy64ATp7o6pb03eIbBAjzmibpc9vIQ==",
+      "version": "5.0.5",
+      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-5.0.5.tgz",
+      "integrity": "sha512-xLL3lkDegJZw+MGoGaCCsFayDZthGgpAtr3Vziyfc4p7xH89K7KRPcRBBh/kEYm0Aqkt5DtTmkYpBtRV/FrHZg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@jridgewell/trace-mapping": "0.3.31",
-        "@vitest/spy": "5.0.4",
+        "@vitest/spy": "5.0.5",
         "estree-walker": "^3.0.3",
         "magic-string": "^1.4.3"
       },
@@ -482,9 +482,9 @@
       }
     },
     "node_modules/@vitest/spy": {
-      "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-5.0.4.tgz",
-      "integrity": "sha512-MZKk/gSkm2q+ICobMxCpH1mA+cCAWm8WV7UhxlqGjq/sJ3AGc1BqFOs5CRVXxH78wQtme9q/NAAgBquj4AcyMw==",
+      "version": "5.0.5",
+      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-5.0.5.tgz",
+      "integrity": "sha512-lwJRExuH417257Q5wv9QYugN9IMJkoxcrKrYxGPQkBzl7wlNpTUxD/5yNX4ESKVUIShKPgkGchYPFMWOOk0wzw==",
       "dev": true,
       "license": "MIT",
       "funding": {
@@ -1159,9 +1159,9 @@
       "license": "MIT"
     },
     "node_modules/svelte": {
-      "version": "5.57.2",
-      "resolved": "https://registry.npmjs.org/svelte/-/svelte-5.57.2.tgz",
-      "integrity": "sha512-1YiPCAXT0Ct6g1vOMmSLa0Nsc3QRMvtDF32ihgglGVrugIuIK38RyDiFNXVDhtQ81TJjSO57NdMw6DyYLqSGDQ==",
+      "version": "5.57.3",
+      "resolved": "https://registry.npmjs.org/svelte/-/svelte-5.57.3.tgz",
+      "integrity": "sha512-5mAftM3SoDV9X0zdF386F9p2pv8iKOwi/KfBS1XnBAkVCKFzVOLHUoa8iGWAt4buoicLmyWVRpuuD5wplXOQsg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -1186,9 +1186,9 @@
       }
     },
     "node_modules/svelte-check": {
-      "version": "4.7.6",
-      "resolved": "https://registry.npmjs.org/svelte-check/-/svelte-check-4.7.6.tgz",
-      "integrity": "sha512-t2scM//ZuVbSY/T2w6FSBw1v9s2NEmh/g+sy1lqtosW5ylBV5AF4wFb1Ts9Kf3MbfPDUDJDZ9L436YT0SPTdvw==",
+      "version": "4.7.7",
+      "resolved": "https://registry.npmjs.org/svelte-check/-/svelte-check-4.7.7.tgz",
+      "integrity": "sha512-Ge2IMdeTpbJuzNFGRiiMg0RWgbScysKQu7xwcyFJ22+DU9F5nPX51+Q3gHmGqRxYQMx2knreVWt5oCtfe0vf2g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -1279,16 +1279,16 @@
       }
     },
     "node_modules/vite": {
-      "version": "8.3.4",
-      "resolved": "https://registry.npmjs.org/vite/-/vite-8.3.4.tgz",
-      "integrity": "sha512-IftLE8phJhdNRIGNEV4JCCvfNScoZQVfcXaN8TQropWGJtOHcu+iAB9pHcuGvmEb/kddw0LBe/jS8ztdC6xdiQ==",
+      "version": "8.3.5",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-8.3.5.tgz",
+      "integrity": "sha512-z1YpjieJ9g0ebTmQpLBv/oq9E3F9EIlOe+7LahW8SrE3LTiG3udBRUXQOlYXP9b+IC2q2phHeVxj9xGlw34OEQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "lightningcss": "^1.33.0",
         "picomatch": "^4.0.7",
-        "postcss": "^8.5.29",
-        "rolldown": "~1.2.12",
+        "postcss": "^8.5.30",
+        "rolldown": "~1.2.14",
         "tinyglobby": "^0.2.17"
       },
       "bin": {
@@ -1305,7 +1305,7 @@
       },
       "peerDependencies": {
         "@types/node": "^20.19.0 || >=22.12.0",
-        "@vitejs/devtools": "^0.7.1",
+        "@vitejs/devtools": "^0.7.1 || ^0.8.0",
         "esbuild": "^0.27.0 || ^0.28.0",
         "jiti": ">=1.21.0",
         "less": "^4.0.0",
@@ -1377,14 +1377,14 @@
       }
     },
     "node_modules/vitest": {
-      "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/vitest/-/vitest-5.0.4.tgz",
-      "integrity": "sha512-z0WxZRV2Sg48wF0FSgMq3TFG8JS38/Qr96vZVZdX6+Em9raQTvnXQvdTFJe2m3rfyJnEHeHQ/snceIdi8D1pVg==",
+      "version": "5.0.5",
+      "resolved": "https://registry.npmjs.org/vitest/-/vitest-5.0.5.tgz",
+      "integrity": "sha512-cPODOMF8YnkiiYtDdHo6n4wWmBrOBBbOIYH2d33M4l3CdNn72h+qMmO6uXffUN6A5AZFXNND/d+krS9mgkXRfg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@types/chai": "^5.2.2",
-        "@vitest/mocker": "5.0.4",
+        "@vitest/mocker": "5.0.5",
         "chai": "^6.3.0",
         "es-module-lexer": "^2.3.2",
         "expect-type": "^1.4.0",
@@ -1410,12 +1410,12 @@
         "@edge-runtime/vm": "*",
         "@opentelemetry/api": "^1.9.0",
         "@types/node": "^22.0.0 || >=24.0.0",
-        "@vitest/browser-playwright": "5.0.4",
-        "@vitest/browser-preview": "5.0.4",
+        "@vitest/browser-playwright": "5.0.5",
+        "@vitest/browser-preview": "5.0.5",
         "@vitest/browser-webdriverio": "^5.0.0-beta.5 || >=5.0.0",
-        "@vitest/coverage-istanbul": "5.0.4",
-        "@vitest/coverage-v8": "5.0.4",
-        "@vitest/ui": "5.0.4",
+        "@vitest/coverage-istanbul": "5.0.5",
+        "@vitest/coverage-v8": "5.0.5",
+        "@vitest/ui": "5.0.5",
         "happy-dom": "*",
         "jsdom": "*",
         "vite": "^6.4.0 || ^7.0.0 || ^8.0.0"
diff --git a/frontend/package.json b/frontend/package.json
index 1942357..9a1f50d 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -20,11 +20,11 @@
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "^7.0.0",
     "@tsconfig/svelte": "^5.0.8",
-    "svelte": "^5.57.2",
-    "svelte-check": "^4.4.8",
+    "svelte": "^5.57.3",
+    "svelte-check": "^4.7.7",
     "tslib": "^2.6.2",
     "typescript": "^5.2.2",
-    "vite": "^8.3.4",
-    "vitest": "^5.0.4"
+    "vite": "^8.3.5",
+    "vitest": "^5.0.5"
   }
 }
diff --git a/tools/harness/package-lock.json b/tools/harness/package-lock.json
index 15b0c49..d4a8a1f 100644
--- a/tools/harness/package-lock.json
+++ b/tools/harness/package-lock.json
@@ -6,13 +6,13 @@
     "": {
       "name": "seaglass-harness",
       "devDependencies": {
-        "playwright-core": "^1.55.0"
+        "playwright-core": "^1.64.1"
       }
     },
     "node_modules/playwright-core": {
-      "version": "1.63.0",
-      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.63.0.tgz",
-      "integrity": "sha512-rYCsBF/M5HjUch52bbtVONEFjv6Xu8sm8h72dNlR5bzIE1fvC/bxgspzkjSfU+MweEMmPM8KJebG6nnyxo5mCg==",
+      "version": "1.64.1",
+      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.64.1.tgz",
+      "integrity": "sha512-BC4s8y6SEVA6Q1rSxZTto8hI1KUI3xXlHGZgvGqP4IqPdI/a6FX9H29IDNz7vKo9l21b6LfYosScPL6M3xxyDQ==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/tools/harness/package.json b/tools/harness/package.json
index 8d9e345..56edab6 100644
--- a/tools/harness/package.json
+++ b/tools/harness/package.json
@@ -9,6 +9,6 @@
     "perf": "node perf.mjs"
   },
   "devDependencies": {
-    "playwright-core": "^1.55.0"
+    "playwright-core": "^1.64.1"
   }
 }