diff --git a/requirements.txt b/requirements.txt
index 00ad587..543e2be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -258,7 +258,7 @@ tomlkit==0.11.6
     # via pylint
 tox==3.27.1
     # via -r requirements.in
-traitlets==5.5.0
+traitlets==5.8.1
     # via
     #   ipython
     #   matplotlib-inline