diff --git a/requirements.txt b/requirements.txt
index f104bbd..28dd055 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ chardet==3.0.4
 clanimate==0.0.1
 click==7.1.2
 colorama==0.4.4
-contextlib2==0.6.0
+contextlib2==21.6.0
 distlib==0.3.0
 distro==1.4.0
 html5lib==1.0.1