diff --git a/requirements.txt b/requirements.txt
index e2b9ad9..b161452 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 anaconda==0.0.1.1
-certifi==2019.11.28
+certifi==2022.12.7
 matplotlib==3.1.1
 numpy==1.16.3
 pandas==1.0.1