diff --git a/cylc/rose/__init__.py b/cylc/rose/__init__.py
index d373711f..ee41358a 100644
--- a/cylc/rose/__init__.py
+++ b/cylc/rose/__init__.py
@@ -205,4 +205,4 @@
 
 """
 
-__version__ = '1.0.3'
+__version__ = '1.0.4.dev'
diff --git a/setup.cfg b/setup.cfg
index 6bc07f5e..6117efb1 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==2.0rc3.*  # the .* permits dev versions
-    cylc-flow==8.0rc3.*  # the .* permits dev versions
+    metomi-rose==2.0rc4.*  # the .* permits dev versions
+    cylc-flow==8.0rc4.*  # the .* permits dev versions
     metomi-isodatetime
     jinja2