diff --git a/requirements.txt b/requirements.txt
index 00aadf7..d1fc8c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 corenlp-protobuf==3.8.0
 idna==2.6