diff --git a/tsconfig.json b/tsconfig.json
index a6d726f119..f3e02f6197 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,6 +2,8 @@
   // This file is not used in compilation. It is here just for a nice editor experience.
   "extends": "@tsconfig/docusaurus/tsconfig.json",
   "compilerOptions": {
+    // Silence TS5101 for the deprecated `baseUrl` (still used by the @/ and @site/ path aliases below).
+    "ignoreDeprecations": "6.0",
     "baseUrl": ".",
     "moduleResolution": "bundler",
     "allowJs": false,