diff --git a/setup.py b/setup.py
index fc7c403..21f056a 100755
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@ def get_packages():
 requirements = [
     'misaka==2.0.0',
     'sure==1.2.24',
-    'couleur==0.7.0',
+    'couleur==0.6.0',
 ]