diff --git a/requirements.txt b/requirements.txt
index 955694a..0e155fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 absl-py==0.7.0
 astor==0.7.1
-certifi==2018.11.29
+certifi==2022.12.7
 chardet==3.0.4
 cloudpickle==0.7.0
 cycler==0.10.0