diff --git a/setup.cfg b/setup.cfg
index 82498d5..a94f6c8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -55,8 +55,8 @@ packages = find_namespace:
 python_requires = >=3.7
 include_package_data = True
 install_requires =
-    metomi-rose==2.3.*
-    cylc-flow==8.3.*
+    metomi-rose==2.4.*
+    cylc-flow==8.4.*
     metomi-isodatetime
     ansimarkup
     jinja2