diff --git a/requirements.txt b/requirements.txt
index a2d0e56..cc79f09 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2019.3.9
+certifi==2021.5.30
 chardet==3.0.4
 dj-database-url==0.5.0
 Django==1.11.23