diff --git a/package.json b/package.json
index 386a7d7fc..19184699a 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "@sentry/browser": "^10.27.0",
     "@toast-ui/editor": "^3.2.2",
     "@webpack-cli/serve": "^3.0.1",
-    "ace-builds": "^1.43.4",
+    "ace-builds": "^1.43.5",
     "babel-loader": "^10.0.0",
     "bootstrap": "^5.3.8",
     "bootswatch": "^5.3.8",
diff --git a/yarn.lock b/yarn.lock
index 4fd6dd501..32b09b851 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2235,10 +2235,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ace-builds@npm:^1.43.4":
-  version: 1.43.4
-  resolution: "ace-builds@npm:1.43.4"
-  checksum: 10c0/5389f4ce025b55198693688f09a8023f8dee69c19d0f451387677ad1c3f93d2f7f3cb60eb4f433f5c4b53783d3d6aa6c2e0d7f22d619335c2ee9b4eeca529708
+"ace-builds@npm:^1.43.5":
+  version: 1.43.5
+  resolution: "ace-builds@npm:1.43.5"
+  checksum: 10c0/ee155b912e177bc37ba619979be08730ed5ed142f5bd6a3ca9ee6359685e5372b6a646625b7a1c2ce31b44ce3b7c0d6a47af3e18c4db1b75e1d892bffc5c3038
   languageName: node
   linkType: hard
 
@@ -2772,7 +2772,7 @@ __metadata:
     "@sentry/browser": "npm:^10.27.0"
     "@toast-ui/editor": "npm:^3.2.2"
     "@webpack-cli/serve": "npm:^3.0.1"
-    ace-builds: "npm:^1.43.4"
+    ace-builds: "npm:^1.43.5"
     babel-loader: "npm:^10.0.0"
     bootstrap: "npm:^5.3.8"
     bootswatch: "npm:^5.3.8"