diff --git a/poetry.lock b/poetry.lock
index e86d4a57..e60b9381 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -94,14 +94,14 @@ uvloop = ["uvloop (>=0.15.2)"]
 
 [[package]]
 name = "certifi"
-version = "2025.11.12"
+version = "2026.1.4"
 description = "Python package for providing Mozilla's CA Bundle."
 optional = false
 python-versions = ">=3.7"
 groups = ["main", "dev"]
 files = [
-    {file = "certifi-2025.11.12-py3-none-any.whl", hash = "sha256:97de8790030bbd5c2d96b7ec782fc2f7820ef8dba6db909ccf95449f2d062d4b"},
-    {file = "certifi-2025.11.12.tar.gz", hash = "sha256:d8ab5478f2ecd78af242878415affce761ca6bc54a22a27e026d7c25357c3316"},
+    {file = "certifi-2026.1.4-py3-none-any.whl", hash = "sha256:9943707519e4add1115f44c2bc244f782c0249876bf51b6599fee1ffbedd685c"},
+    {file = "certifi-2026.1.4.tar.gz", hash = "sha256:ac726dd470482006e014ad384921ed6438c457018f4b3d204aea4281258b2120"},
 ]
 
 [[package]]
@@ -1116,4 +1116,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.9"
-content-hash = "52daebeda734bcde6864caa94b2f14a4a3fcd532aa79ba07806d9041869584e3"
+content-hash = "503cc42b24ba50c2442440839484054914bdd38c3174268a948d3ba2679e528a"
diff --git a/pyproject.toml b/pyproject.toml
index df095dbf..22fd7672 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ packages = [
 python = "^3.9"
 urllib3 = ">=1.26.9"
 websockets = ">=14.0"
-certifi = ">=2022.5.18,<2026.0.0"
+certifi = ">=2022.5.18,<2027.0.0"
 
 [tool.poetry.dev-dependencies]
 black = "^24.8.0"