diff --git a/.github/workflows/publish_pypi.yaml b/.github/workflows/publish_pypi.yaml
index 044c99d..00b5d89 100644
--- a/.github/workflows/publish_pypi.yaml
+++ b/.github/workflows/publish_pypi.yaml
@@ -16,5 +16,5 @@ jobs:
       - name: Build and publish to pypi
         uses: JRubics/poetry-publish@v1.12
         with:
-          python_version: "3.9.13"
+          python_version: "3.10.14"
           pypi_token: ${{ secrets.PYPI_TOKEN }}
diff --git a/pyproject.toml b/pyproject.toml
index 1798b65..88783f6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ktplotspy"
-version = "0.2.4"
+version = "0.2.6"
 description = "Python library for plotting Cellphonedb results. Ported from ktplots R package."
 authors = ["Kelvin Tuong <26215587+zktuong@users.noreply.github.com>"]
 license = "MIT"
@@ -35,7 +35,7 @@ setuptools = "*"
 anndata = { optional = true, version = ">=0.7.6,<0.11.2" }
 black = { optional = true, version = "*" }
 pytest-cov = { optional = true, version = "*" }
-sphinx = { optional = true, version = "<8" }                         # see issue at https://github.com/readthedocs/readthedocs.org/issues/10279
+sphinx = { optional = true, version = "<8" }                        # see issue at https://github.com/readthedocs/readthedocs.org/issues/10279
 nbsphinx = { optional = true, version = "<=0.9.5" }
 sphinx-autodoc-typehints = { optional = true, version = "<=2.3.0" }
 sphinx_rtd_theme = { optional = true, version = "<=3.0.2" }