diff --git a/requirements.txt b/requirements.txt
index ebed056e..91e6801c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
-fonttools[lxml,repacker,ufo,unicode]==4.50.0; platform_python_implementation == 'CPython'
-fonttools[repacker,ufo,unicode]==4.50.0; platform_python_implementation != 'CPython'
+fonttools[ufo,unicode,repacker,lxml]==4.51.0; platform_python_implementation == 'CPython'
+fonttools[ufo,repacker,unicode]==4.51.0; platform_python_implementation != 'CPython'
 glyphsLib==6.7.0
-ufo2ft==3.2.0
+ufo2ft==3.2.1
 fontMath==0.9.3
 booleanOperations==0.9.0
 ufoLib2==0.16.0
@@ -11,4 +11,4 @@ ttfautohint-py==0.5.1
 
 # optional, for experimental reading/writing ufoLib2's UFO as json
 cattrs==23.2.3
-orjson==3.9.15; platform_python_implementation == 'CPython'
+orjson==3.10.1; platform_python_implementation == 'CPython'