diff --git a/requirements.txt b/requirements.txt
index be1c308..1dc2895 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi>=2023.5.7
+certifi>=2026.4.22
 cffi>=1.15.1
 cryptography>=41.0.2
 ecdsa>=0.18.0