diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..4f67437
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,4 @@
+click>=8.0.0
+pytest>=7.0.0
+pytest-cov>=4.0.0
+ruff>=0.1.0