diff --git a/package.json b/package.json
index 982d8cff55fdb..8652df19233a5 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
   },
   "dependencies": {
     "@microsoft/applicationinsights-web": "^2.6.4",
-    "@vscode/vscode-languagedetection": "1.0.18",
+    "@vscode/vscode-languagedetection": "1.0.21",
     "applicationinsights": "1.0.8",
     "chokidar": "3.5.1",
     "graceful-fs": "4.2.6",
diff --git a/yarn.lock b/yarn.lock
index 1e539cabd7e0c..e91d3f3c9d178 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -846,10 +846,10 @@
   resolved "https://registry.yarnpkg.com/@ungap/promise-all-settled/-/promise-all-settled-1.1.2.tgz#aa58042711d6e3275dd37dc597e5d31e8c290a44"
   integrity sha512-sL/cEvJWAnClXw0wHk85/2L0G6Sj8UB0Ctc1TEMbKSsmpRosqhwj9gWgFRZSrBr2f9tiXISwNhCPmlfqUqyb9Q==
 
-"@vscode/vscode-languagedetection@1.0.18":
-  version "1.0.18"
-  resolved "https://registry.yarnpkg.com/@vscode/vscode-languagedetection/-/vscode-languagedetection-1.0.18.tgz#05d78cbd4b6ba5a0da4f76c88fdc98f67e99786a"
-  integrity sha512-z98y3RZtuJQbWdqRJNxV6MNv8nJb4WMxjhvxltzfPZhrH+vHcNRiS8GvX1DoJTEV7DN4GrodjHpTh07YGLthDQ==
+"@vscode/vscode-languagedetection@1.0.21":
+  version "1.0.21"
+  resolved "https://registry.yarnpkg.com/@vscode/vscode-languagedetection/-/vscode-languagedetection-1.0.21.tgz#89b48f293f6aa3341bb888c1118d16ff13b032d3"
+  integrity sha512-zSUH9HYCw5qsCtd7b31yqkpaCU6jhtkKLkvOOA8yTrIRfBSOFb8PPhgmMicD7B/m+t4PwOJXzU1XDtrM9Fd3/g==
 
 "@webassemblyjs/ast@1.11.0":
   version "1.11.0"