diff --git a/requirements.txt b/requirements.txt
index a755e29..9a1ee32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@ future==0.17.1
 networkx==2.3
 tqdm==4.32.1
 six==1.12.0
-pytest==4.6.2
+pytest==4.6.3