diff --git a/requirements.txt b/requirements.txt
index fc32af0..cef0a10 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 absl-py==0.7.1
 astor==0.8.0
 cachetools==3.1.1
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 gast==0.2.2