diff --git a/requirements.txt b/requirements.txt
index 28a75fd..e9ee091 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,5 +23,5 @@ tox==3.13.2
 tqdm==4.32.2
 twine==1.11.0
 urllib3==1.25.3
-virtualenv==16.7.2
+virtualenv==16.7.3
 zipp==0.5.2