diff --git a/requirements.txt b/requirements.txt
index 1cfe323..9b2e8a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 asprin==3.1.0
-certifi==2019.6.16
+certifi==2022.12.7
 colander==0.9.9
 cycler==0.10.0
 Flask==0.10.1