diff --git a/pyproject.toml b/pyproject.toml
index badc6d0..44721a1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ package-mode = false
 python = "^3.12"
 setuptools = "^82.0.1"
 idna = "^3.0"
-certifi = "^2026.1.4"
+certifi = "^2026.5.20"
 bump2version = "^1.0.1"
 python-dotenv = "^1.0.0"
 cryptography = "^46.0.5"