diff --git a/requirements.txt b/requirements.txt
index 8cf2414..e70c19a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ certifi==2019.11.28
 chardet==3.0.4
 colorama==0.4.3
 contextlib2==0.6.0
-distlib==0.3.0
+distlib==0.3.9
 distro==1.4.0
 html5lib==1.0.1
 idna==2.8