diff --git a/requirements.txt b/requirements.txt
index 7ff63d3..b0db4a5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 cachetools==3.0.0
-certifi==2018.11.29
+certifi==2022.12.7
 chardet==3.0.4
 gcloud==0.18.3
 google-api-core==1.7.0