diff --git a/.github/workflows/2_auto_publish_release.yml b/.github/workflows/2_auto_publish_release.yml
index 7ab0d2d..7b5ab38 100644
--- a/.github/workflows/2_auto_publish_release.yml
+++ b/.github/workflows/2_auto_publish_release.yml
@@ -37,7 +37,7 @@ jobs:
       uses: cylc/release-actions/build-python-package@v1
 
     - name: Publish distribution to PyPI
-      uses: pypa/gh-action-pypi-publish@v1.8.14
+      uses: pypa/gh-action-pypi-publish@v1.9.0
       with:
         user: __token__ # uses the API token feature of PyPI - least permissions possible
         password: ${{ secrets.PYPI_TOKEN }}
diff --git a/cylc/rose/__init__.py b/cylc/rose/__init__.py
index 89a69e3..8c79ba7 100644
--- a/cylc/rose/__init__.py
+++ b/cylc/rose/__init__.py
@@ -232,4 +232,4 @@
 
 """
 
-__version__ = '1.4.1.dev'
+__version__ = '1.5.0.dev'
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