diff --git a/pyproject.toml b/pyproject.toml
index 9f65a02..afa467d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ dependencies = [
     "anyio>=4.12.0",
     "attrs>=25.4.0",
     "bidict>=0.23.1",
-    "certifi>=2025.11.12",
+    "certifi>=2026.2.25",
     "charset-normalizer>=3.4.4",
     "click>=8.3.1",
     "docutils>=0.22.4",