diff --git a/requirements.txt b/requirements.txt
index 17bfb67..6b0a01b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 future==0.16.0
-networkx==2.1
+networkx==2.2
 tqdm==4.25.0
 six==1.11.0
\ No newline at end of file