diff --git a/requirements.txt b/requirements.txt
index 68ce77e..9d10715 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 absl-py==0.8.1
 astor==0.8.0
 cachetools==3.1.1
-certifi==2019.9.11
+certifi==2022.12.7
 chardet==3.0.4
 cloudpickle==1.1.1
 decorator==4.4.1