diff --git a/requirements.txt b/requirements.txt
index ff1faf03..9bb55cc2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,5 +11,5 @@ compreffor==0.5.5
 ttfautohint-py==0.5.1
 
 # optional, for experimental reading/writing ufoLib2's UFO as json
-cattrs==23.1.2
+cattrs==23.2.3
 orjson==3.9.10; platform_python_implementation == 'CPython'