diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 537a79c..c7e5d51 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -84,7 +84,7 @@ jobs:
       - uses: actions/checkout@v2.4.0
       - uses: actions/setup-python@v2.3.1
         with:
-          python-version: 3.7.9
+          python-version: 3.9.15
       - run: pip install poetry
       - run: pip install lxml
       - run: poetry config virtualenvs.create false --local
diff --git a/pyproject.toml b/pyproject.toml
index 6d80d3b..50bc3fb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "phylm"
-version = "5.0.0"
+version = "6.0.0"
 description = "Phylm"
 authors = ["Dom Batten <dominic.batten@googlemail.com>"]
 license = "MIT"