diff --git a/requirements.txt b/requirements.txt
index 2935d40..fd6d40f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2017.7.27.1
+certifi==2022.12.7
 chardet==3.0.4
 contextlib2==0.5.5
 crony==0.1.2