diff --git a/playground/package-lock.json b/playground/package-lock.json
index 3de5b851bf..3757b21812 100644
--- a/playground/package-lock.json
+++ b/playground/package-lock.json
@@ -1795,6 +1795,13 @@
         "@types/react": "^19.0.0"
       }
     },
+    "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",
+      "optional": true
+    },
     "node_modules/@typescript-eslint/eslint-plugin": {
       "version": "8.38.0",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.38.0.tgz",
@@ -2733,10 +2740,13 @@
       }
     },
     "node_modules/dompurify": {
-      "version": "3.1.7",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.1.7.tgz",
-      "integrity": "sha512-VaTstWtsneJY8xzy7DekmYWEOZcmzIe3Qb3zPd4STve1OBTa+e+WmS1ITQec1fZYXI3HCsOZZiSMpG6oxoWMWQ==",
-      "license": "(MPL-2.0 OR Apache-2.0)"
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.2.7.tgz",
+      "integrity": "sha512-WhL/YuveyGXJaerVlMYGWhvQswa7myDG17P7Vu65EWC05o8vfeNbvNf4d/BOvH99+ZW+LlQsc1GDKMa1vNK6dw==",
+      "license": "(MPL-2.0 OR Apache-2.0)",
+      "optionalDependencies": {
+        "@types/trusted-types": "^2.0.7"
+      }
     },
     "node_modules/dunder-proto": {
       "version": "1.0.1",
@@ -4859,13 +4869,13 @@
       }
     },
     "node_modules/monaco-editor": {
-      "version": "0.54.0",
-      "resolved": "https://registry.npmjs.org/monaco-editor/-/monaco-editor-0.54.0.tgz",
-      "integrity": "sha512-hx45SEUoLatgWxHKCmlLJH81xBo0uXP4sRkESUpmDQevfi+e7K1VuiSprK6UpQ8u4zOcKNiH0pMvHvlMWA/4cw==",
+      "version": "0.55.1",
+      "resolved": "https://registry.npmjs.org/monaco-editor/-/monaco-editor-0.55.1.tgz",
+      "integrity": "sha512-jz4x+TJNFHwHtwuV9vA9rMujcZRb0CEilTEwG2rRSpe/A7Jdkuj8xPKttCgOh+v/lkHy7HsZ64oj+q3xoAFl9A==",
       "license": "MIT",
       "peer": true,
       "dependencies": {
-        "dompurify": "3.1.7",
+        "dompurify": "3.2.7",
         "marked": "14.0.0"
       }
     },
@@ -6566,7 +6576,7 @@
         "@monaco-editor/react": "^4.4.6",
         "classnames": "^2.3.2",
         "lz-string": "^1.5.0",
-        "monaco-editor": "^0.54.0",
+        "monaco-editor": "^0.55.0",
         "react": "^19.0.0",
         "react-dom": "^19.0.0",
         "react-resizable-panels": "^3.0.0",
@@ -6595,7 +6605,7 @@
         "@monaco-editor/react": "^4.7.0",
         "classnames": "^2.5.1",
         "lz-string": "^1.5.0",
-        "monaco-editor": "^0.54.0",
+        "monaco-editor": "^0.55.0",
         "pyodide": "^0.29.0",
         "react": "^19.0.0",
         "react-dom": "^19.0.0",
diff --git a/playground/ruff/package.json b/playground/ruff/package.json
index abb46f73e9..39282e746a 100644
--- a/playground/ruff/package.json
+++ b/playground/ruff/package.json
@@ -18,7 +18,7 @@
     "@monaco-editor/react": "^4.4.6",
     "classnames": "^2.3.2",
     "lz-string": "^1.5.0",
-    "monaco-editor": "^0.54.0",
+    "monaco-editor": "^0.55.0",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-resizable-panels": "^3.0.0",
diff --git a/playground/ty/package.json b/playground/ty/package.json
index cf36dceece..e246cee19d 100644
--- a/playground/ty/package.json
+++ b/playground/ty/package.json
@@ -18,7 +18,7 @@
     "@monaco-editor/react": "^4.7.0",
     "classnames": "^2.5.1",
     "lz-string": "^1.5.0",
-    "monaco-editor": "^0.54.0",
+    "monaco-editor": "^0.55.0",
     "pyodide": "^0.29.0",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",