diff --git a/src/Strict/Strict.php b/src/Strict/Strict.php
index 67517b9..653029c 100644
--- a/src/Strict/Strict.php
+++ b/src/Strict/Strict.php
@@ -6,7 +6,7 @@ final class Strict
 {
 
 	/**
-	 * @template T
+	 * @template T of object
 	 * @param class-string<T> $className
 	 * @return T
 	 */