diff --git a/requirements.txt b/requirements.txt
index d26a1dee..d699ba61 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ attrs==20.3.0
 backcall==0.2.0
 bcubed==1.5
 bleach==3.3.0
-certifi==2020.12.5
+certifi==2022.12.7
 cffi==1.14.4
 chardet==4.0.0
 cldfcatalog==1.3.0