diff --git a/requirements.txt b/requirements.txt
index 5d83baf..4ff5c73 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ attrs==19.1.0
 beautifulsoup4==4.7.1
 bs4==0.0.1
 cdstarcat==0.6.2
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 clldutils==2.7.0
 colorlog==4.0.2