diff --git a/requirements.txt b/requirements.txt
index d22498385..d0c2194b0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ imagesize==1.4.1
 Jinja2==3.1.2
 MarkupSafe==2.1.2
 packaging==23.1
-pipdeptree==2.7.1
+pipdeptree==2.9.0
 polib==1.2.0
 pomerge==0.1.4
 pospell==1.1