diff --git a/scrapy/crawler.py b/scrapy/crawler.py
index ac77d6aefcc..e302dcd12da 100644
--- a/scrapy/crawler.py
+++ b/scrapy/crawler.py
@@ -175,7 +175,7 @@ def crawl(self, *args: Any, **kwargs: Any) -> Generator[Deferred, Any, None]:
                 yield self.engine.close()
             raise
 
-    def _create_spider(self, *args: Any, **kwargs: Any) -> Spider:
+    def _create_spider(self, *args: Any, **kwargs: Any) -> S:
         return self.spidercls.from_crawler(self, *args, **kwargs)
 
     def _create_engine(self) -> ExecutionEngine:
diff --git a/setup.py b/setup.py
index c2e8b0ee930..d1004785069 100644
--- a/setup.py
+++ b/setup.py
@@ -24,6 +24,7 @@
     "lxml>=4.4.1",
     "defusedxml>=0.7.1",
     "opentelemetry-api",
+    "opentelemetry-sdk"
 ]
 extras_require = {
     ':platform_python_implementation == "CPython"': ["PyDispatcher>=2.0.5"],