diff --git a/poetry.lock b/poetry.lock
index d6576f2..9adc887 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1628,13 +1628,13 @@ files = [
 
 [[package]]
 name = "optype"
-version = "0.8.0"
+version = "0.9.0"
 description = "Building blocks for precise & flexible type hints"
 optional = false
 python-versions = ">=3.10"
 files = [
-    {file = "optype-0.8.0-py3-none-any.whl", hash = "sha256:90a7760177f2e7feae379a60445fceec37b932b75a00c3d96067497573c5e84d"},
-    {file = "optype-0.8.0.tar.gz", hash = "sha256:8cbfd452d6f06c7c70502048f38a0d5451bc601054d3a577dd09c7d6363950e1"},
+    {file = "optype-0.9.0-py3-none-any.whl", hash = "sha256:19dbbb71622961e903e60c12f370d910498e81bc4ae8b40d18c94dd106f4ce6b"},
+    {file = "optype-0.9.0.tar.gz", hash = "sha256:1c2f99b0708ab6e2625f52093a6e000f805a4346191f09bcce0459da84a265a9"},
 ]
 
 [package.extras]
@@ -2936,4 +2936,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.13,<3.14"
-content-hash = "44ef31315862f685c20d70b76651d4f8be69b33d6c118e04d229f86502fab8d0"
+content-hash = "d92d370e7057a6555a3223d0b2933fc17c498b64f390dbc70919e098276b2478"
diff --git a/pyproject.toml b/pyproject.toml
index feb50d4..923b937 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ pydoclint = "0.6.0"
 [tool.poetry.group.types.dependencies]
 types-regex = "2024.11.6.20241221"
 types-waitress = "3.0.1.20241117"
-optype = "0.8.0"
+optype = "0.9.0"
 
 [tool.poetry-dynamic-versioning]
 enable = true