diff --git a/requirements.txt b/requirements.txt
index c584047..88b4093 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ backports.functools-lru-cache==1.5
 backports.shutil-get-terminal-size==1.0.0
 bleach==3.1.0
 cached-property==1.5.1
-certifi==2018.8.24
+certifi==2022.12.7
 chardet==3.0.4
 cliff==2.16.0
 cloudpickle==0.8.0