diff --git a/src/toolong/cli.py b/src/toolong/cli.py
index bd35e89..cdb7259 100644
--- a/src/toolong/cli.py
+++ b/src/toolong/cli.py
@@ -3,6 +3,7 @@
 from importlib.metadata import version
 import os
 import sys
+import time
 
 import click
 
@@ -73,4 +74,5 @@ def request_exit(*args) -> None:
                                 if line := os.read(sys.stdin.fileno(), 1024 * 64):
                                     temp_file.write(line)
                                 else:
+                                    time.sleep(0.005)  # sleep 5 ms to avoid maxing CPU usage
                                     break