diff --git a/requirements.txt b/requirements.txt
index 6e7550515..43043775e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ pytest-mock==1.10.0
 pytest-cov==2.5.1
 hyperopt==0.1
 # do not upgrade networkx before this is fixed https://github.com/hyperopt/hyperopt/issues/325
-networkx==1.11
+networkx==1.11 # pyup: ignore
 tabulate==0.8.2
 coinmarketcap==5.0.3