diff --git a/dev-requirements.txt b/dev-requirements.txt
new file mode 100644
index 00000000..bd34794a
--- /dev/null
+++ b/dev-requirements.txt
@@ -0,0 +1,6 @@
+# for testing:
+pytest
+pytest-xdist
+pyftpdlib
+# for building on osx:
+py2app
diff --git a/requirements.txt b/requirements.txt
index 7f9e4f73..a8841e1a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,8 +2,3 @@
 requests>=2.2.0
 # optional:
 argcomplete
-# for testing:
-#pytest
-#pyftpdlib
-# for building on osx:
-#py2app