diff --git a/package-lock.json b/package-lock.json
index ca73a9e87..8bf94dcab 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1932,6 +1932,12 @@
         "@types/estree": "*"
       }
     },
+    "node_modules/@types/trusted-types": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/@types/trusted-types/-/trusted-types-2.0.7.tgz",
+      "integrity": "sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw==",
+      "license": "MIT"
+    },
     "node_modules/@types/ws": {
       "version": "8.18.1",
       "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.18.1.tgz",
@@ -3390,6 +3396,12 @@
       "dev": true,
       "optional": true
     },
+    "node_modules/devalue": {
+      "version": "5.6.3",
+      "resolved": "https://registry.npmjs.org/devalue/-/devalue-5.6.3.tgz",
+      "integrity": "sha512-nc7XjUU/2Lb+SvEFVGcWLiKkzfw8+qHI7zn8WYXKkLMgfGSHbgCEaR6bJpev8Cm6Rmrb19Gfd/tZvGqx9is3wg==",
+      "license": "MIT"
+    },
     "node_modules/devtools-protocol": {
       "version": "0.0.1510116",
       "resolved": "https://registry.npmjs.org/devtools-protocol/-/devtools-protocol-0.0.1510116.tgz",
@@ -4095,9 +4107,10 @@
       }
     },
     "node_modules/esrap": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/esrap/-/esrap-2.1.0.tgz",
-      "integrity": "sha512-yzmPNpl7TBbMRC5Lj2JlJZNPml0tzqoqP5B1JXycNUwtqma9AKCO0M2wHrdgsHcy1WRW7S9rJknAMtByg3usgA==",
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/esrap/-/esrap-2.2.3.tgz",
+      "integrity": "sha512-8fOS+GIGCQZl/ZIlhl59htOlms6U8NvX6ZYgYHpRU/b6tVSh3uHkOHZikl3D4cMbYM0JlpBe+p/BkZEi8J9XIQ==",
+      "license": "MIT",
       "dependencies": {
         "@jridgewell/sourcemap-codec": "^1.4.15"
       }
@@ -7625,21 +7638,23 @@
       }
     },
     "node_modules/svelte": {
-      "version": "5.42.3",
-      "resolved": "https://registry.npmjs.org/svelte/-/svelte-5.42.3.tgz",
-      "integrity": "sha512-+8dUmdJGvKSWEfbAgIaUmpD97s1bBAGxEf6s7wQonk+HNdMmrBZtpStzRypRqrYBFUmmhaUgBHUjraE8gLqWAw==",
+      "version": "5.51.5",
+      "resolved": "https://registry.npmjs.org/svelte/-/svelte-5.51.5.tgz",
+      "integrity": "sha512-/4tR5cLsWOgH3wnNRXnFoWaJlwPGbJanZPSKSD6nHM2y01dvXeEF4Nx7jevoZ+UpJpkIHh6mY2tqDncuI4GHng==",
       "license": "MIT",
       "dependencies": {
         "@jridgewell/remapping": "^2.3.4",
         "@jridgewell/sourcemap-codec": "^1.5.0",
         "@sveltejs/acorn-typescript": "^1.0.5",
         "@types/estree": "^1.0.5",
+        "@types/trusted-types": "^2.0.7",
         "acorn": "^8.12.1",
         "aria-query": "^5.3.1",
         "axobject-query": "^4.1.0",
         "clsx": "^2.1.1",
+        "devalue": "^5.6.3",
         "esm-env": "^1.2.1",
-        "esrap": "^2.1.0",
+        "esrap": "^2.2.2",
         "is-reference": "^3.0.3",
         "locate-character": "^3.0.0",
         "magic-string": "^0.30.11",
@@ -8596,7 +8611,7 @@
         "playwright": "cli.js"
       },
       "devDependencies": {
-        "svelte": "^5.37.3"
+        "svelte": "^5.51.5"
       },
       "engines": {
         "node": ">=18"
diff --git a/packages/playwright-ct-svelte/package.json b/packages/playwright-ct-svelte/package.json
index 5dd75bb90..969edc302 100644
--- a/packages/playwright-ct-svelte/package.json
+++ b/packages/playwright-ct-svelte/package.json
@@ -34,7 +34,7 @@
     "@sveltejs/vite-plugin-svelte": "^5.1.0"
   },
   "devDependencies": {
-    "svelte": "^5.37.3"
+    "svelte": "^5.51.5"
   },
   "bin": {
     "playwright": "cli.js"