diff --git a/requirements.txt b/requirements.txt
index 9fae65b..b51860d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 appdirs==1.4.4
 black==20.8b1
-certifi==2020.12.5
+certifi==2022.12.7
 chardet==4.0.0
 click==7.1.2
 conllu==4.3