diff --git a/requirements.txt b/requirements.txt
index ecc8c4c..bab17f8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@ future==0.17.1
 networkx==2.3
 tqdm==4.31.1
 six==1.12.0
-pytest==4.4.1
+pytest==4.4.2