diff --git a/requirements.txt b/requirements.txt
index 1df5b22..e905ce1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ autopep8==1.4.4
 backcall==0.1.0
 bleach==3.1.5
 cachecow==0.1.3
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 conda==4.3.16
 cycler==0.10.0