diff --git a/legacy/requirements.txt b/legacy/requirements.txt
index fd5b57e..709eb44 100644
--- a/legacy/requirements.txt
+++ b/legacy/requirements.txt
@@ -1,5 +1,5 @@
 cachetools==2.0.1
-certifi==2018.1.18
+certifi==2022.12.7
 chardet==3.0.4
 dill==0.2.7.1
 enum34==1.1.6