diff --git a/packages/webview/package.json b/packages/webview/package.json
index c5323881..c5af82d2 100644
--- a/packages/webview/package.json
+++ b/packages/webview/package.json
@@ -51,7 +51,7 @@
     "humanize-duration": "^3.33.0",
     "jsdom": "^27.1.0",
     "micromark": "^4.0.2",
-    "monaco-editor": "^0.54.0",
+    "monaco-editor": "^0.55.1",
     "prettier": "^3.6.1",
     "prettier-plugin-svelte": "^3.3.3",
     "reflect-metadata": "^0.2.2",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 4aaef767..b1a6221b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -323,8 +323,8 @@ importers:
         specifier: ^4.0.2
         version: 4.0.2
       monaco-editor:
-        specifier: ^0.54.0
-        version: 0.54.0
+        specifier: ^0.55.1
+        version: 0.55.1
       prettier:
         specifier: ^3.6.1
         version: 3.6.2
@@ -1263,6 +1263,9 @@ packages:
   '@types/stream-buffers@3.0.7':
     resolution: {integrity: sha512-azOCy05sXVXrO+qklf0c/B07H/oHaIuDDAiHPVwlk3A9Ek+ksHyTeMajLZl3r76FxpPpxem//4Te61G1iW3Giw==}
 
+  '@types/trusted-types@2.0.7':
+    resolution: {integrity: sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw==}
+
   '@types/ws@8.18.1':
     resolution: {integrity: sha512-ThVF6DCVhA8kUGy+aazFQ4kXQ7E1Ty7A3ypFOe0IcJV8O/M511G99AW24irKrW56Wt44yG9+ij8FaqoBGkuBXg==}
 
@@ -2060,8 +2063,8 @@ packages:
   dom-accessibility-api@0.6.3:
     resolution: {integrity: sha512-7ZgogeTnjuHbo+ct10G9Ffp0mif17idi0IyWNVA/wcwcm7NPOD/WEHVP3n7n3MhXqxoIYm8d6MuZohYWIZ4T3w==}
 
-  dompurify@3.1.7:
-    resolution: {integrity: sha512-VaTstWtsneJY8xzy7DekmYWEOZcmzIe3Qb3zPd4STve1OBTa+e+WmS1ITQec1fZYXI3HCsOZZiSMpG6oxoWMWQ==}
+  dompurify@3.2.7:
+    resolution: {integrity: sha512-WhL/YuveyGXJaerVlMYGWhvQswa7myDG17P7Vu65EWC05o8vfeNbvNf4d/BOvH99+ZW+LlQsc1GDKMa1vNK6dw==}
 
   dunder-proto@1.0.1:
     resolution: {integrity: sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==}
@@ -3165,8 +3168,8 @@ packages:
   moment@2.30.1:
     resolution: {integrity: sha512-uEmtNhbDOrWPFS+hdjFCBfy9f2YoyzRpwcl+DqpC6taX21FzsTLQVbMV/W7PzNSX6x/bhC1zA3c2UQ5NzH6how==}
 
-  monaco-editor@0.54.0:
-    resolution: {integrity: sha512-hx45SEUoLatgWxHKCmlLJH81xBo0uXP4sRkESUpmDQevfi+e7K1VuiSprK6UpQ8u4zOcKNiH0pMvHvlMWA/4cw==}
+  monaco-editor@0.55.1:
+    resolution: {integrity: sha512-jz4x+TJNFHwHtwuV9vA9rMujcZRb0CEilTEwG2rRSpe/A7Jdkuj8xPKttCgOh+v/lkHy7HsZ64oj+q3xoAFl9A==}
 
   mri@1.2.0:
     resolution: {integrity: sha512-tzzskb3bG8LvYGFF/mDTpq3jpI6Q9wc3LEmBaghu+DdCssd1FakN7Bc0hVNmEyGq1bq3RgfkCb3cmQLpNPOroA==}
@@ -5112,6 +5115,9 @@ snapshots:
     dependencies:
       '@types/node': 24.10.1
 
+  '@types/trusted-types@2.0.7':
+    optional: true
+
   '@types/ws@8.18.1':
     dependencies:
       '@types/node': 24.10.1
@@ -5979,7 +5985,9 @@ snapshots:
 
   dom-accessibility-api@0.6.3: {}
 
-  dompurify@3.1.7: {}
+  dompurify@3.2.7:
+    optionalDependencies:
+      '@types/trusted-types': 2.0.7
 
   dunder-proto@1.0.1:
     dependencies:
@@ -7343,9 +7351,9 @@ snapshots:
 
   moment@2.30.1: {}
 
-  monaco-editor@0.54.0:
+  monaco-editor@0.55.1:
     dependencies:
-      dompurify: 3.1.7
+      dompurify: 3.2.7
       marked: 14.0.0
 
   mri@1.2.0: {}