diff --git a/requirements/base.txt b/requirements/base.txt
index 1a97f13..f94bf7e 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -1,4 +1,4 @@
 pygithub3>=0.5
 python-redmine==0.8.2
 Jinja2>=2.7.3
-requests==2.4
+requests==2.20.0