diff --git a/{{ cookiecutter.project_slug }}/dev-requirements.txt b/{{ cookiecutter.project_slug }}/dev-requirements.txt
index eefb1cc..efe5ae2 100644
--- a/{{ cookiecutter.project_slug }}/dev-requirements.txt	
+++ b/{{ cookiecutter.project_slug }}/dev-requirements.txt	
@@ -16,7 +16,7 @@ coverage[toml]==7.6.0
     # via pytest-cov
 distlib==0.3.8
     # via virtualenv
-filelock==3.13.1
+filelock==3.15.4
     # via
     #   pytest-mypy
     #   virtualenv