diff --git a/.github/.DS_Store b/.github/.DS_Store
index 67cc29e..d31b785 100644
Binary files a/.github/.DS_Store and b/.github/.DS_Store differ
diff --git a/.gitignore b/.gitignore
index f9d79b8..f8ffc75 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,7 +32,9 @@ ignore_*/
 ignore/
 ignore*
 scratches/
-
+.DS_Store
+.github/.DS_Store
+*.DS_Store
 
 #PY PACKAGES --------------------------------
 
diff --git a/Makefile b/Makefile
index feeda47..66aec5b 100644
--- a/Makefile
+++ b/Makefile
@@ -34,7 +34,13 @@ check:
 	ruff check 
 	tox run 
 
-.PHONY: clean
+.PHONY: security
+security:
+	python3.11 -m pip install safety
+	python3.11 -m safety check --ignore=70612
+
+
+
 clean:
 	rm -rf $(VENV)
 	find . -type f -name "*.pyc" -delete
diff --git a/pyproject.toml b/pyproject.toml
index 8a5fdf8..706cf90 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ pytest = ">=7.0.0"
 pygments = ">=2.6.0"
 commonmark = ">=0.9.0"
 typing-extensions = { version = ">=4.0.0, <5.0", python = "<3.9" }
-black = "^24.3"
+black = ">=24.3.0"
 mypy = "^0.971"
 pytest-cov = "^3.0.0"
 attrs = "^21.4.0"
@@ -48,4 +48,4 @@ jupyter = ["ipywidgets"]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"
 [tool.poetry.scripts]
-evdspy = 'evdspy:console_main'
\ No newline at end of file
+evdspy = 'evdspy:console_main'
diff --git a/requirements-dev.txt b/requirements-dev.txt
index de1be05..870aaf7 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -14,4 +14,5 @@ openpyxl>=3.0.10
 numpy>=1.5.0
 pytest>=8.1.0
 ruff>=0.5.1
-tox 
\ No newline at end of file
+tox 
+black>=24.3.0
diff --git a/requirements.txt b/requirements.txt
index a9deb04..26ac58e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,4 +13,5 @@ six>=1.16.0
 urllib3>=1.26.12
 openpyxl>=3.0.10
 numpy>=1.5.0
-pytest>=8.1.0
\ No newline at end of file
+pytest>=8.1.0
+black>=24.3.0