diff --git a/requirements.txt b/requirements.txt
index 8b567f5..9bf7cd3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-docopt>=0.6.1,<0.7
+docopt-ng>=0.6.1
 chardet
 lxml
 
diff --git a/setup.py b/setup.py
index 0239192..1202116 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 
 
 install_requires = [
-    "docopt>=0.6.1,<0.7",
+    "docopt-ng>=0.6.1",
     "chardet",
     "lxml>=2.0",
 ]