diff --git a/requirements.txt b/requirements.txt
index 0d2698b3..fb5c0dc8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-six==1.*
+#six==1.*
 deprecation==1.*
 numpy==1.*
 matplotlib>=1.5,<3
