diff --git a/bin/README.md b/bin/README.md
index 03a5569..f37894e 100644
--- a/bin/README.md
+++ b/bin/README.md
@@ -13,7 +13,6 @@ install the PyCIRCLean dependencies (preferably in a virtualenv):
 Requirements per script
 =======================
 
-
 filecheck.py
 ------------
 
diff --git a/dev-requirements.txt b/dev-requirements.txt
new file mode 100644
index 0000000..413ec74
--- /dev/null
+++ b/dev-requirements.txt
@@ -0,0 +1,2 @@
+twiggy
+python-magic