diff --git a/requirements.txt b/requirements.txt
index 60eadbf..2319ed2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ backrefs==7.0
     # via mkdocs-material
 brotli==1.2.0
     # via -r requirements.in
-certifi==2026.5.20
+certifi==2026.6.17
     # via requests
 charset-normalizer==3.4.7
     # via requests