diff --git a/requirements.txt b/requirements.txt
index 0937b2f..2ec0054 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 future==0.16.0
-networkx==2.0
+networkx==2.1
 tqdm==4.19.5
 six==1.11.0
\ No newline at end of file