diff --git a/requirements.txt b/requirements.txt
index 2be3cd5..6c3757f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ autopep8==1.5
 backcall==0.1.0
 bleach==3.1.1
 cachetools==4.0.0
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 click==7.1.1
 coverage==5.0.4