diff --git a/requirements.txt b/requirements.txt
index bd50371..1a3d080 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 -i https://pypi.org/simple
 aniso8601==8.1.0
 cachetools==4.2.0
-certifi==2020.12.5
+certifi==2022.12.7
 chardet==4.0.0
 click==8.0.0a1
 google-cloud-dialogflow==2.9.1