diff --git a/requirements.txt b/requirements.txt
index 694be58..558b1d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 idna==2.7
 numpy==1.14.5