diff --git a/requirements.txt b/requirements.txt
index 2bddc5a..7a3261a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 bcrypt==3.1.7
-certifi==2019.11.28
+certifi==2020.4.5.1
 cffi==1.14.0
 chardet==3.0.4
 colander==1.7.0