diff --git a/requirements-dev.txt b/requirements-dev.txt
index f28855f0..f5c5caf9 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,7 @@ mypy-extensions==1.0.0; platform_python_implementation=='CPython' and python_ver
 mypy-zope==1.0.4; platform_python_implementation=='CPython' and python_version>'3.8'
 mypy==1.9.0; platform_python_implementation=='CPython' and python_version>'3.8'
 pathspec==0.12.1
-pipdeptree==2.18.1
+pipdeptree==2.20.0
 pre-commit==3.5.0
 pylint==3.1.0
 pyre-check==0.9.19; python_version>'3.8'