diff --git a/{{ cookiecutter.project_slug }}/pyproject.toml b/{{ cookiecutter.project_slug }}/pyproject.toml
index a0e1606..493c58c 100644
--- a/{{ cookiecutter.project_slug }}/pyproject.toml	
+++ b/{{ cookiecutter.project_slug }}/pyproject.toml	
@@ -47,7 +47,7 @@ docs = [
 testing = [
     "pytest ~=9.0",
     "pytest-cov ~=7.1",
-    "tomlkit ~=0.14.0",
+    "tomlkit ~=0.15.0",
 ]
 dev = [
     "{{ cookiecutter.project_slug }}[docs,testing]",