diff --git a/pyproject.toml b/pyproject.toml
index 51e6159129..6008571059 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,21 +32,21 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = "^3.7"
-SQLAlchemy = ">=2.0.0,<=2.0.11"
-pydantic = { version = ">=2.1.1,<=2.4", extras = ["email"] }
+SQLAlchemy = ">=2.0.0,<=2.0.21"
+pydantic = { version = ">=2.1.1,<=2.4.2", extras = ["email"] }
 
 [tool.poetry.dev-dependencies]
 pytest = "^7.0.1"
 mypy = "0.971"
-flake8 = "^5.0.4"
+flake8 = [{ version = ">=5.0.4, <6.0.0", python = "<3.8.1" }, { version = ">=6.1.0", python = ">=3.8.1"}]
 black = "^22.10.0"
-mkdocs = "^1.2.1"
-mkdocs-material = "^8.1.4"
+mkdocs = [{ version = "<=1.2.4", python = "<3.8.1" }, { version = ">=1.5.3", python = ">=3.8.1"} ]
+mkdocs-material = [{ version = "<=8.2.7", python = "<3.8.1" }, { version = ">=9.4.5", python = ">=3.8.1"}]
 pillow = "^9.3.0"
 cairosvg = "^2.5.2"
 mdx-include = "^1.4.1"
 coverage = {extras = ["toml"], version = "^6.2"}
-fastapi = "^0.100.0"
+fastapi = "^0.103.2"
 requests = "^2.26.0"
 autoflake = "^1.4"
 isort = "^5.9.3"
diff --git a/sqlmodel/orm/session.py b/sqlmodel/orm/session.py
index dab26c3e12..fae5bbb7a6 100644
--- a/sqlmodel/orm/session.py
+++ b/sqlmodel/orm/session.py
@@ -85,7 +85,7 @@ def get(
         ident: Any,
         options: Optional[Sequence[Any]] = None,
         populate_existing: bool = False,
-        with_for_update: Optional[_ForUpdateArg] = None,
+        with_for_update: Union[_ForUpdateArg, None, bool, Dict[str, Any]] = None,
         identity_token: Optional[Any] = None,
         execution_options: Mapping[Any, Any] = util.EMPTY_DICT,
         bind_arguments: Optional[Dict[str, Any]] = None,