diff --git a/requirements.txt b/requirements.txt
index 8cf2414..1c699b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ CacheControl==0.12.6
 certifi==2019.11.28
 chardet==3.0.4
 colorama==0.4.3
-contextlib2==0.6.0
+contextlib2==0.6.0.post1
 distlib==0.3.0
 distro==1.4.0
 html5lib==1.0.1