diff --git a/requirements.txt b/requirements.txt
index d92d464..f1102d6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 future==0.16.0
 networkx==1.11
 tqdm==4.15.0
-six==1.10.0
\ No newline at end of file
+six==1.11.0
\ No newline at end of file