diff --git a/cheroot/workers/threadpool.py b/cheroot/workers/threadpool.py
index <HASH>..<HASH> 100644
--- a/cheroot/workers/threadpool.py
+++ b/cheroot/workers/threadpool.py
@@ -320,7 +320,7 @@ class ThreadPool:
         return (
             thread
             for thread in threads
-            if thread is not threading.currentThread()
+            if thread is not threading.current_thread()
         )
 
     @property
Use `current_thread()` to address Python <I> `DeprecationWarning` 

PR #<I>