diff --git a/requirements.txt b/requirements.txt
index 19ae372..ece34ac 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 absl-py==0.7.1
 astor==0.8.0
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 Cython==0.29.7
 dyNET==2.1