diff --git a/requirements.txt b/requirements.txt
index 56f817e..b6c86d5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,6 +9,6 @@ nose==1.3.7
 hypothesis==3.86.4
 redis==3.2.1
 lupa==1.8
-future==0.17.1
+future==0.18.3
 sortedcontainers==2.1.0
 six==1.12.0