diff --git a/requirements.txt b/requirements.txt
index 7a39203..687b105 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2017.4.17
+certifi==2022.12.7
 chardet==3.0.4
 idna==2.5
 numpy==1.13.0