diff --git a/requirements.txt b/requirements.txt
index f16cfabdde..e713e78882 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,5 +20,5 @@ semantic-version==2.8.4
 six==1.14.0
 toml==0.10.0
 typing==3.7.4.1
-virtualenv==16.7.8
+virtualenv==16.7.9
 zipp==1.0.0