diff --git a/package-lock.json b/package-lock.json
index e4af128f9..a42a98115 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "@fullcalendar/daygrid": "^5.10.1",
         "@fullcalendar/list": "^5.10.1",
         "@fullcalendar/timegrid": "^5.10.1",
-        "@lezer/highlight": "^1.1.6",
+        "@lezer/highlight": "^1.2.1",
         "@popperjs/core": "^2.11.2",
         "@replit/codemirror-emacs": "^6.0.1",
         "@replit/codemirror-vim": "^6.0.14",
@@ -505,9 +505,9 @@
       }
     },
     "node_modules/@lezer/highlight": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/@lezer/highlight/-/highlight-1.2.0.tgz",
-      "integrity": "sha512-WrS5Mw51sGrpqjlh3d4/fOwpEV2Hd3YOkp9DBt4k8XZQcoTHZFB7sx030A6OcahF4J1nDQAa3jXlTVVYH50IFA==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/@lezer/highlight/-/highlight-1.2.1.tgz",
+      "integrity": "sha512-Z5duk4RN/3zuVO7Jq0pGLJ3qynpxUVsh7IbUbGj88+uV2ApSAn6kWg2au3iJb+0Zi7kKtqffIESgNcRXWZWmSA==",
       "dependencies": {
         "@lezer/common": "^1.0.0"
       }
@@ -8680,9 +8680,9 @@
       }
     },
     "@lezer/highlight": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/@lezer/highlight/-/highlight-1.2.0.tgz",
-      "integrity": "sha512-WrS5Mw51sGrpqjlh3d4/fOwpEV2Hd3YOkp9DBt4k8XZQcoTHZFB7sx030A6OcahF4J1nDQAa3jXlTVVYH50IFA==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/@lezer/highlight/-/highlight-1.2.1.tgz",
+      "integrity": "sha512-Z5duk4RN/3zuVO7Jq0pGLJ3qynpxUVsh7IbUbGj88+uV2ApSAn6kWg2au3iJb+0Zi7kKtqffIESgNcRXWZWmSA==",
       "requires": {
         "@lezer/common": "^1.0.0"
       }
diff --git a/package.json b/package.json
index d43c40f9e..8610d7bb4 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@codemirror/legacy-modes": "^6.4.1",
     "@replit/codemirror-vim": "^6.2.1",
     "@replit/codemirror-emacs": "^6.0.1",
-    "@lezer/highlight": "^1.1.6",
+    "@lezer/highlight": "^1.2.1",
     "@replit/codemirror-vim": "^6.0.14",
     "@replit/codemirror-emacs": "^6.0.1",
     "datatables-i18n": "github:dzhuang/datatables-i18n",