diff --git a/.eslintrc.json b/.eslintrc.json
index 7b44757..4d04470 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -283,6 +283,7 @@
         "@typescript-eslint/no-unnecessary-type-assertion": "error",
         "@typescript-eslint/no-require-imports": "error",
         "@typescript-eslint/no-unsafe-unary-minus": "error",
+        "@typescript-eslint/no-unsafe-declaration-merging": "error",
         "@typescript-eslint/no-array-delete": "error",
         "@typescript-eslint/prefer-as-const": "error",
         "@typescript-eslint/prefer-function-type": "error",