diff --git a/requirements/base.txt b/requirements/base.txt
index dabdb0179..9c1656347 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -4,7 +4,7 @@ aiodocker==0.19.1
 aiohttp==3.7.4.post0
 async_generator==1.10; python_version<"3.7"
 # upgrade setup.py after pinning certtifi to new version
-certifi==2020.12.5
+certifi==2021.5.30
 click==8.0.1
 dataclasses==0.7; python_version<"3.7"
 humanize==3.6.0