diff --git a/requirements.txt b/requirements.txt
index 5300624..1c7c909 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ cmarkgfm==0.4.2
 coverage==4.5.2
 cycler==0.10.0
 docutils==0.14
-execnet==1.5.0
+execnet==1.6.0
 future==0.17.1
 idna==2.8
 kiwisolver==1.1.0