diff --git a/undetected_chromedriver/__init__.py b/undetected_chromedriver/__init__.py
index 6c73ab2..135c179 100644
--- a/undetected_chromedriver/__init__.py
+++ b/undetected_chromedriver/__init__.py
@@ -709,6 +709,8 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
     def quit(self):
         try:
             self.service.process.kill()
+            # has to be closed manually, otherwise socket to driver process gets leaked in CLOSE_WAIT
+            self.command_executor.close()
             logger.debug("webdriver process ended")
         except (AttributeError, RuntimeError, OSError):
             pass
@@ -783,6 +785,7 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
     def __del__(self):
         try:
             self.service.process.kill()
+            self.command_executor.close()
         except:  # noqa
             pass
         self.quit()