diff --git a/pyproject.toml b/pyproject.toml
index 9a88652..3399e40 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ dependencies = [
     "anyio==4.13.0",
     "argon2-cffi==25.1.0",
     "argon2-cffi-bindings==25.1.0",
-    "certifi==2026.2.25",
+    "certifi==2026.4.22",
     "cffi==2.0.0",
     "charset-normalizer==3.4.7",
     "click==8.3.2",