diff --git a/package-lock.json b/package-lock.json
index fd15f1906..52acf9eba 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2367,6 +2367,13 @@
             "dev": true,
             "license": "MIT"
         },
+        "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/@types/vscode": {
             "version": "1.107.0",
             "resolved": "https://registry.npmjs.org/@types/vscode/-/vscode-1.107.0.tgz",
@@ -3882,10 +3889,13 @@
             }
         },
         "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/domutils": {
             "version": "2.8.0",
@@ -6129,11 +6139,12 @@
             }
         },
         "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",
             "dependencies": {
-                "dompurify": "3.1.7",
+                "dompurify": "3.2.7",
                 "marked": "14.0.0"
             }
         },
@@ -8861,7 +8872,7 @@
             "dependencies": {
                 "@coderline/alphatab": "^1.8.0",
                 "@coderline/alphatab-language-server": "^1.8.0",
-                "monaco-editor": "^0.54.0",
+                "monaco-editor": "^0.55.1",
                 "vscode-languageserver-types": "^3.17.5",
                 "vscode-oniguruma": "^2.0.1",
                 "vscode-textmate": "^9.3.0"
@@ -8896,7 +8907,7 @@
                 "@types/serve-static": "^2.2.0",
                 "bootstrap": "^5.3.8",
                 "handlebars": "^4.7.8",
-                "monaco-editor": "^0.54.0",
+                "monaco-editor": "^0.55.1",
                 "serve-static": "^2.2.1"
             },
             "devDependencies": {
diff --git a/packages/monaco/package.json b/packages/monaco/package.json
index 3fd072a7f..65028b00a 100644
--- a/packages/monaco/package.json
+++ b/packages/monaco/package.json
@@ -33,7 +33,7 @@
     "dependencies": {
         "@coderline/alphatab": "^1.8.0",
         "@coderline/alphatab-language-server": "^1.8.0",
-        "monaco-editor": "^0.54.0",
+        "monaco-editor": "^0.55.1",
         "vscode-languageserver-types": "^3.17.5",
         "vscode-oniguruma": "^2.0.1",
         "vscode-textmate": "^9.3.0"
diff --git a/packages/playground/package.json b/packages/playground/package.json
index 9aee0f38c..48bbbee76 100644
--- a/packages/playground/package.json
+++ b/packages/playground/package.json
@@ -13,7 +13,7 @@
         "@types/serve-static": "^2.2.0",
         "bootstrap": "^5.3.8",
         "handlebars": "^4.7.8",
-        "monaco-editor": "^0.54.0",
+        "monaco-editor": "^0.55.1",
         "serve-static": "^2.2.1"
     },
     "scripts": {