diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 0000000..afcba06
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,5 @@
+flake8==4.0.1
+tox==3.25.0
+pytest==7.1.2
+pytest-cov==3.0.0
+mypy==0.950
\ No newline at end of file