diff --git a/tsconfig.base.json b/tsconfig.base.json
index 4f1d4c4a..e8834872 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -1,6 +1,7 @@
 {
   "extends": "@tsconfig/strictest/tsconfig.json",
   "compilerOptions": {
+    "isolatedDeclarations": true,
     "resolveJsonModule": true,
     "noUncheckedIndexedAccess": false,
     "exactOptionalPropertyTypes": false,