diff --git a/package.json b/package.json
index ef1b0a4112..dccc38350d 100644
--- a/package.json
+++ b/package.json
@@ -144,7 +144,7 @@
       "sharp"
     ],
     "overrides": {
-      "@lezer/highlight": "1.2.1",
+      "@lezer/highlight": "1.2.3",
       "@lezer/common": "1.2.3",
       "@codemirror/autocomplete": "6.18.6",
       "@codemirror/commands": "6.3.3",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f0f6fca1bc..b1fa3adc0d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -5,7 +5,7 @@ settings:
   excludeLinksFromLockfile: false
 
 overrides:
-  '@lezer/highlight': 1.2.1
+  '@lezer/highlight': 1.2.3
   '@lezer/common': 1.2.3
   '@codemirror/autocomplete': 6.18.6
   '@codemirror/commands': 6.3.3
@@ -63,8 +63,8 @@ importers:
         specifier: ^5.1.0
         version: 5.1.0(tailwindcss@3.4.18(tsx@4.20.6)(yaml@2.8.1))
       '@lezer/highlight':
-        specifier: 1.2.1
-        version: 1.2.1
+        specifier: 1.2.3
+        version: 1.2.3
       '@next/bundle-analyzer':
         specifier: ^15.4.5
         version: 15.5.6
@@ -94,7 +94,7 @@ importers:
         version: 2.1.1
       cm6-graphql:
         specifier: ^0.2.1
-        version: 0.2.1(@codemirror/autocomplete@6.18.6)(@codemirror/language@6.10.0)(@codemirror/lint@6.8.5)(@codemirror/state@6.4.0)(@codemirror/view@6.24.0)(@lezer/highlight@1.2.1)(graphql@16.10.0)
+        version: 0.2.1(@codemirror/autocomplete@6.18.6)(@codemirror/language@6.10.0)(@codemirror/lint@6.8.5)(@codemirror/state@6.4.0)(@codemirror/view@6.24.0)(@lezer/highlight@1.2.3)(graphql@16.10.0)
       date-fns:
         specifier: ^2.30.0
         version: 2.30.0
@@ -1850,8 +1850,8 @@ packages:
   '@lezer/common@1.2.3':
     resolution: {integrity: sha512-w7ojc8ejBqr2REPsWxJjrMFsA/ysDCFICn8zEOR9mrqzOu2amhITYuLD8ag6XZf0CFXDrhKqw7+tW8cX66NaDA==}
 
-  '@lezer/highlight@1.2.1':
-    resolution: {integrity: sha512-Z5duk4RN/3zuVO7Jq0pGLJ3qynpxUVsh7IbUbGj88+uV2ApSAn6kWg2au3iJb+0Zi7kKtqffIESgNcRXWZWmSA==}
+  '@lezer/highlight@1.2.3':
+    resolution: {integrity: sha512-qXdH7UqTvGfdVBINrgKhDsVTJTxactNNxLk7+UMwZhU13lMHaOBlJe9Vqp907ya56Y3+ed2tlqzys7jDkTmW0g==}
 
   '@lezer/lr@1.4.2':
     resolution: {integrity: sha512-pu0K1jCIdnQ12aWNaAVU5bzi7Bd1w54J3ECgANPmYLtQKP0HBj2cE/5coBD66MT10xbtIuUr7tg0Shbsvk0mDA==}
@@ -2947,7 +2947,7 @@ packages:
       '@codemirror/lint': 6.8.5
       '@codemirror/state': 6.4.0
       '@codemirror/view': 6.24.0
-      '@lezer/highlight': 1.2.1
+      '@lezer/highlight': 1.2.3
       graphql: ^15.5.0 || ^16.0.0 || ^17.0.0
 
   codsen-utils@1.6.19:
@@ -7460,7 +7460,7 @@ snapshots:
       '@codemirror/state': 6.4.0
       '@codemirror/view': 6.24.0
       '@lezer/common': 1.2.3
-      '@lezer/highlight': 1.2.1
+      '@lezer/highlight': 1.2.3
       '@lezer/lr': 1.4.2
       style-mod: 4.1.3
 
@@ -8159,7 +8159,7 @@ snapshots:
   '@hasparus/lezer-json-shikified@1.1.3':
     dependencies:
       '@lezer/common': 1.2.3
-      '@lezer/highlight': 1.2.1
+      '@lezer/highlight': 1.2.3
       '@lezer/lr': 1.4.2
 
   '@headlessui/react@2.2.9(react-dom@18.3.1(react@18.3.1))(react@18.3.1)':
@@ -8446,7 +8446,7 @@ snapshots:
 
   '@lezer/common@1.2.3': {}
 
-  '@lezer/highlight@1.2.1':
+  '@lezer/highlight@1.2.3':
     dependencies:
       '@lezer/common': 1.2.3
 
@@ -9690,14 +9690,14 @@ snapshots:
 
   clsx@2.1.1: {}
 
-  cm6-graphql@0.2.1(@codemirror/autocomplete@6.18.6)(@codemirror/language@6.10.0)(@codemirror/lint@6.8.5)(@codemirror/state@6.4.0)(@codemirror/view@6.24.0)(@lezer/highlight@1.2.1)(graphql@16.10.0):
+  cm6-graphql@0.2.1(@codemirror/autocomplete@6.18.6)(@codemirror/language@6.10.0)(@codemirror/lint@6.8.5)(@codemirror/state@6.4.0)(@codemirror/view@6.24.0)(@lezer/highlight@1.2.3)(graphql@16.10.0):
     dependencies:
       '@codemirror/autocomplete': 6.18.6
       '@codemirror/language': 6.10.0
       '@codemirror/lint': 6.8.5
       '@codemirror/state': 6.4.0
       '@codemirror/view': 6.24.0
-      '@lezer/highlight': 1.2.1
+      '@lezer/highlight': 1.2.3
       graphql: 16.10.0
       graphql-language-service: 5.5.0(graphql@16.10.0)