diff --git a/py_requirements.txt b/py_requirements.txt
index 560d3c1..577afec 100644
--- a/py_requirements.txt
+++ b/py_requirements.txt
@@ -2,7 +2,7 @@ absl-py==0.1.13
 astor==0.6.2
 bitarray==0.8.3
 bleach==1.5.0
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 cycler==0.10.0