diff --git a/pyproject.toml b/pyproject.toml
index ff37d7a6..ab1cbeab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ dependencies = [
     "requests >=2.32.2, <3.0",
     "typing-extensions >=4.11.0, <5.0",
     "frozendict >=2.4.3, <3.0",
-    "certifi >=2025.10.5, <2025.11.0",
+    "certifi >=2026.1.4, <2026.2.0",
     "PyYAML >=6.0.1, <7.0.0",
     "cryptography >=43.0.1, <43.0.2",
     "python-dotenv >=1.0.0, <2.0.0",
diff --git a/requirements.txt b/requirements.txt
index 5cfb0338..13086c96 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ python-dateutil>=2.9.0,<3.0
 urllib3>=2.6.3
 Authlib>=1.3.0,<2.0
 typing-extensions>=4.11.0,<5.0
-certifi>=2025.10.5,<2025.11.0
+certifi>=2026.1.4,<2026.2.0
 pydantic>=2.0.0,<3.0.0
 
 # Development dependencies