diff --git a/requirements.txt b/requirements.txt
index 3965520..76001ca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ argh==0.26.2
 backcall==0.1.0
 bleach==3.1.1
 blinker==1.4
-certifi==2018.8.13
+certifi==2022.12.7
 chardet==3.0.4
 cloudpickle==0.5.3
 decorator==4.3.0