diff --git a/requirements.txt b/requirements.txt
index 2b1f6eb..f91cc39 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ absl-py==0.1.10
 backports.functools-lru-cache==1.5
 backports.weakref==1.0.post1
 bleach==1.5.0
-certifi==2018.1.18
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 enum34==1.1.6