diff --git a/requirements.txt b/requirements.txt
index 5919d25..04b7a07 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 alpha-vantage==2.0.0
 astroid==1.6.1
 autopep8==1.3.4
-certifi==2017.7.27.1
+certifi==2022.12.7
 cffi==1.10.0
 chardet==3.0.4
 click==6.7