diff --git a/app-engine/requirements.txt b/app-engine/requirements.txt
index f2a5d37..d912aea 100644
--- a/app-engine/requirements.txt
+++ b/app-engine/requirements.txt
@@ -1,5 +1,5 @@
 cachetools==3.0.0
-certifi==2018.10.15
+certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
 clickclick==1.2.2