diff --git a/packages/eslint-plugin/tests/rules/no-unsafe-return.test.ts b/packages/eslint-plugin/tests/rules/no-unsafe-return.test.ts
index c7e6357054e..42a798ffe11 100644
--- a/packages/eslint-plugin/tests/rules/no-unsafe-return.test.ts
+++ b/packages/eslint-plugin/tests/rules/no-unsafe-return.test.ts
@@ -114,6 +114,11 @@ function foo(): Set<number> {
         return [] as any[];
       }
     `,
+    `
+      function foo(): unknown {
+        return [] as any[];
+      }
+    `,
   ],
   invalid: [
     {