diff --git a/tools/serve_header/requirements.txt b/tools/serve_header/requirements.txt
index 68fb9527d..c399c52b4 100644
--- a/tools/serve_header/requirements.txt
+++ b/tools/serve_header/requirements.txt
@@ -1,2 +1,2 @@
 PyYAML==6.0.2
-watchdog==2.1.7
+watchdog==6.0.0