diff --git a/requirements.txt b/requirements.txt
index 3e2cb63..e82a63f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ Brotli==1.0.9
 bump2version==1.0.1
 bumpfontversion==0.4.1
 cattrs==23.1.1
-certifi==2023.5.7
+certifi==2024.7.4
 cffi==1.15.1
 cffsubr==0.2.9.post1
 charset-normalizer==3.1.0